\u7f16\u7a0b\u5b66\u4e60\u7684\u7efc\u5408\u7f51\u7ad9
\n\u4f8d\u5de5\u7a0b\u5e08\u5b66\u9662\u535a\u5ba2\u5fbd\u6807
\n\u535a\u5ba2
\n\u670d\u52a1
\n\u4e1a\u52a1\u5185\u5bb9
\n\u516c\u53f8
\n\u516c\u53f8\u4ecb\u7ecd
\n\u62db\u8058
\n\u62db\u8058\u4fe1\u606f
\n\u514d\u8d39\u4f53\u9a8c\u8bfe
\n\u4e3b\u9875
\n\u91c7\u8bbf
\n\u8bfe\u7a0b
\n\u6559\u7a0b
\n\u5b66\u4e60\u4e13\u680f
\n\u5b66\u4e60\u8ba1\u5212\u54a8\u8be2
\n\u514d\u8d39\u5b66\u4e60\u54a8\u8be2
\nPython\uff0c\u81ea\u7531\u804c\u4e1a\u8005<\/p>\n
\u5e7b\u706f\u7247<\/p>\n
\u535a\u5ba2\u9996\u9875 > \u7f16\u7a0b > Java > Java\u5165\u95e8
\n\u3010Java\u3011\u5c06String\u7c7b\u578b\u8f6c\u6362\u4e3aint\u7c7b\u578b
\n\u5965\u6b66\u5965\u6b66
\n2017\/1\/24<\/p>\n
2019\u5e746\u67084\u65e5<\/p>\n
\u4f60\u597d\uff01\u6211\u662f\u4e00\u540d\u81ea\u7531\u804c\u4e1a\u8005\u7684\u5927\u66f2\u3002<\/p>\n
\u5927\u5bb6\u8fd8\u8bb0\u5f97\u5982\u4f55\u5c06Java\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u578b\u5417\uff1f<\/p>\n
\u6b64\u5916\uff0c\u60a8\u8fd8\u8bb0\u5f97\u5c06int\u578b\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u5417\uff1f\u60a8\u77e5\u9053\u5982\u679c\u8f6c\u6362\u5931\u8d25\u4f1a\u53d1\u751f\u4ec0\u4e48\u5417\uff1f\u901a\u8fc7\u9605\u8bfb\u672c\u6587\uff0c\u60a8\u53ef\u4ee5\u7b80\u660e\u5730\u5b66\u4e60\u5c06Java\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3aint\u578b\u7684\u65b9\u6cd5\uff01<\/p>\n
\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\uff0c\u8ba8\u8bba\u4e86\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u578b\u7684\u65b9\u6cd5\u3002<\/p>\n
String\u578b\u8f6c\u6362\u4e3aint\u578b\u7684\u65b9\u6cd5
\nString\u578b\u8f6c\u6362\u4e3a\u5176\u4ed6\u6570\u503c\u7c7b\u578b\u7684\u65b9\u6cd5
\n\u6570\u503c\u7c7b\u578b\u8f6c\u6362\u4e3aString\u578b\u7684\u65b9\u6cd5
\n\u68c0\u67e5String\u578b\u7684\u503c\u662f\u5426\u4e3a\u6570\u503c
\n\u5e76\u5c06\u5bf9\u5177\u4f53\u5185\u5bb9\u8fdb\u884c\u89e3\u91ca\u3002\u672c\u6b21\u5c06\u8be6\u7ec6\u89e3\u91ca\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u578b\u7684\u65b9\u6cd5\uff0c\u4ee5\u4fbf\u6613\u4e8e\u7406\u89e3\u548c\u4f7f\u7528\uff01<\/p>\n
\u8fd9\u7bc7\u6587\u7ae0\u7684\u76ee\u5f55<\/p>\n
1. \u5c06String\u7c7b\u578b\u548c\u6570\u503c\u7c7b\u578b\u4e4b\u95f4\u7684\u7c7b\u578b\u8f6c\u6362\u65b9\u6cd5\u5217\u8868
\n2. \u5c06String\u7c7b\u578b\u8f6c\u6362\u4e3aint\u7c7b\u578b\u7684\u65b9\u6cd5\uff08parseInt\uff09
\n3. \u5c06String\u7c7b\u578b\u8f6c\u6362\u4e3a\u5176\u4ed6\u6570\u503c\u7c7b\u578b\u7684\u65b9\u6cd5
\n3.1 \u5c06String\u7c7b\u578b\u8f6c\u6362\u4e3abyte\u7c7b\u578b\uff08parseByte\uff09
\n3.2 \u5c06String\u7c7b\u578b\u8f6c\u6362\u4e3ashort\u7c7b\u578b\u548clong\u7c7b\u578b\uff08parseShort\u3001parseLong\uff09
\n3.3 \u5c06String\u7c7b\u578b\u8f6c\u6362\u4e3a\u5c0f\u6570\u503c\uff08float\u3001double\uff09\uff08parseFloat\u3001parseDouble\uff09
\n3.4 \u4f7f\u7528valueOf\u65b9\u6cd5\u7684\u65b9\u6cd5
\n4. \u5c06\u6570\u503c\u7c7b\u578b\u8f6c\u6362\u4e3aString\u7c7b\u578b\u7684\u65b9\u6cd5
\n4.1 \u4f7f\u7528valueOf\u65b9\u6cd5\u7684\u65b9\u6cd5
\n4.2 \u4f7f\u7528toString\u65b9\u6cd5\u7684\u65b9\u6cd5
\n5. \u68c0\u67e5String\u7c7b\u578b\u7684\u503c\u662f\u5426\u4e3a\u6570\u503c
\n5.1 \u4f7f\u7528try-catch\u8bed\u53e5\u8fdb\u884c\u5f02\u5e38\u5904\u7406
\n5.2 \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u68c0\u67e5
\n6. \u8fd9\u91cc\u6709\u5173\u4e8e\u5982\u4f55\u4f7f\u7528String\u7684\u5b8c\u6574\u603b\u7ed3\u6587\u7ae0
\n7. \u603b\u7ed3
\n\u5c06String\u7c7b\u578b\u548c\u6570\u503c\u7c7b\u578b\u4e4b\u95f4\u7684\u7c7b\u578b\u8f6c\u6362\u65b9\u6cd5\u6574\u7406\u6210\u4e86\u8868\u683c\u7684\u5f62\u5f0f\u3002<\/p>\n
\u53d8\u6362\u524d\u7684\u7c7b\u578b \u53d8\u6362\u540e\u7684\u7c7b\u578b \u65b9\u6cd5 \u4e66\u5199\u4f8b\u5b50
\nString int Integer.parseInt
\nInteger.valueOf Integer.parseInt(“1”)
\nInteger.valueOf(“1”)
\nbyte Byte.parseByte
\nByte.valueOf Byte.parseByte(“1”)
\nByte.valueOf(“1”)
\nshort Short.parseShort
\nShort.valueOf Short.parseShort(“1”)
\nShort.valueOf(“1”)
\nlong Long.parseLong
\nLong.valueOf Long.parseLong(“1”)
\nLong.valueOf(“1”)
\nfloat Float.parseFloat
\nFloat.valueOf Float.parseFloat(“1”)
\nFloat.valueOf(“1”)
\ndouble Double.parseDouble
\nDouble.valueOf Double.parseDouble(“1”)
\nDouble.valueOf(“1”)
\n\u6570\u503c\u578b(int, byte, short, long, float, double) String String.valueOf String.valueOf(1)
\nint String Integer.toString Integer.toString(1)
\nbyte String Byte.toString Byte.toString((byte)1)
\nshort String Short.toString Short.toString((short)1)
\nlong String Long.toString Long.toString(1l)
\nfloat String Float.toString Float.toString(1.0f)
\ndouble String Double.toString Double.toString(1.0)
\n\u4eceString\u7c7b\u578b\u5230\u6570\u503c\u7c7b\u578b\u7684\u8f6c\u6362\u53ef\u4ee5\u4f7f\u7528parseInteger\u3001paraseByte\u3001parseFloat\u7b49\u65b9\u6cd5\u6216\u8005valueOf\u65b9\u6cd5\u3002\u4ece\u6570\u503c\u7c7b\u578b\u5230\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u8f6c\u6362\u53ef\u4ee5\u4f7f\u7528valueOf\u65b9\u6cd5\u6216\u8005toString\u65b9\u6cd5\u3002<\/p>\n
\u8ba9\u6211\u4eec\u901a\u8fc7\u793a\u4f8b\u4ee3\u7801\u6765\u786e\u8ba4\u6bcf\u4e2a\u4f7f\u7528\u6848\u4f8b\u3002<\/p>\n
\u5c06String\u7c7b\u578b\u8f6c\u6362\u4e3aint\u7c7b\u578b\u7684\u65b9\u6cd5\uff08parseInt\uff09
\n\u8981\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3aint\u7c7b\u578b\u7684\u6570\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n
\u4f7f\u7528Integer\u7c7b\u7684parsInt\u6216valueOf\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3aint\u7c7b\u578b\u3002<\/p>\n
public class Main {
\npublic static void main(String[] args) {
\n\/\/ \u5728\u8fd9\u91cc\u7f16\u5199\u4f60\u7684\u4ee3\u7801
\n}
\n}<\/p>\n
String hoge = \"1\";\r\n int num = Integer.parseInt(hoge);\r\n System.out.println(num);\r\n}\r\n<\/code><\/pre>\n\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n
1
\n\u5c06String\u7c7b\u578b\u8f6c\u6362\u4e3a\u5176\u4ed6\u6570\u503c\u7c7b\u578b\u7684\u65b9\u6cd5
\n\u60a8\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u9002\u7528\u4e8e\u5404\u79cd\u76ee\u7684\u7684\u65b9\u6cd5\u6765\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6570\u5b57\u3002<\/p>\n
\u8981\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3abyte\u7c7b\u578b\u7684\u6570\u5b57\uff0c\u53ef\u4ee5\u7f16\u5199\u5982\u4e0b\u4ee3\u7801\u3002\u4f7f\u7528Byte\u7c7b\u7684parseByte\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0byte\u7c7b\u578b\u7684\u8f6c\u6362\u3002<\/p>\n
public class Main {
\npublic static void main(String[] args) {<\/p>\n
String hoge = \"1\";\r\n byte result = Byte.parseByte(hoge);\r\n System.out.println(result);\r\n}\r\n<\/code><\/pre>\n\u7ed3\u679c\uff1a<\/p>\n
short\u578b\u548clong\u578b\u4e4b\u9593\u7684\u8f49\u63db(parseShort\u3001parseLong)
\n\u5c0d\u65bcshort\u578b\u548clong\u578b\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u65b9\u5f0f\u3002\u5982\u679c\u8981\u5c07\u503c\u8f49\u63db\u70bashort\u578b\uff0c\u53ef\u4ee5\u4f7f\u7528Short\u985e\u7684parseShort\u65b9\u6cd5\u3002<\/p>\n
\u5c06long\u578b\u8f6c\u6362\u4e3aLong\u7c7b\u578b\u53ef\u4ee5\u4f7f\u7528Long\u7c7b\u7684parseLong\u65b9\u6cd5\u3002<\/p>\n
\u516c\u5171\u7c7b\u4e3b\u8981 {
\n\u516c\u5171\u9759\u6001 void \u4e3b\u8981(String[] \u53c2\u6570) {<\/p>\n
String hoge = \"1\";\r\n\r\n short result1 = Short.parseShort(hoge);\r\n System.out.println(result1);\r\n\r\n long result2 = Long.parseLong(hoge);\r\n System.out.println(result2);\r\n}\r\n<\/code><\/pre>\n\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n
1
\n1
\n\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5c0f\u6570(float, double)
\n\u4e0e\u5c06\u6570\u5b57\u8f6c\u6362\u4e3abyte\u6216int\u7c7b\u578b\u76f8\u4f3c\uff0c\u5982\u679c\u8981\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5e26\u6709\u5c0f\u6570\u70b9\u7684\u7c7b\u578b\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u3002\u5982\u679c\u8981\u5c06\u6570\u5b57\u8f6c\u6362\u4e3afloat\u7c7b\u578b\uff0c\u8bf7\u4f7f\u7528Float.parseFloat\u65b9\u6cd5\u3002<\/p>\n
\u5728Java\u4e2d\uff0c\u5c06\u5176\u8f6c\u6362\u4e3adouble\u7c7b\u578b\u53ef\u4ee5\u4f7f\u7528Double.parseDouble\u65b9\u6cd5\u3002<\/p>\n
public class Main {
\npublic static void main(String[] args) {
\n\/\/ \u7a0b\u5e8f\u5165\u53e3
\n}
\n}<\/p>\n
String hoge = \"1\";\r\n\r\n float result1 = Float.parseFloat(hoge);\r\n System.out.println(result1);\r\n\r\n double result2 = Double.parseDouble(hoge);\r\n System.out.println(result2);\r\n}\r\n<\/code><\/pre>\n\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n
1.0
\n1.0
\n\u4f7f\u7528valueOf\u65b9\u6cd5\u7684\u65b9\u5f0f
\n\u521a\u624d\u89e3\u91ca\u7684Integer\u3001Short\u3001Long\u7b49\u7c7b\u4e2d\u90fd\u5b58\u5728\u4e00\u4e2a\u53eb\u505avalueOf\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u53d8\u91cf\u3002<\/p>\n
\u5f53\u4f7f\u7528\u4e0d\u540c\u7c7b\u578b\u7684valueOf\u65b9\u6cd5\u65f6\uff0c\u8fd4\u56de\u503c\u5c06\u59cb\u7ec8\u4e0e\u8be5\u7c7b\u578b\u7684\u7c7b\u76f8\u540c\u3002<\/p>\n
\u516c\u5171\u7c7b\u4e3b\u8981 {<\/p>\n
public static void main(String[] args) {\r\n String hoge = \"1\";\r\n\r\n System.out.println(Integer.valueOf(hoge));\r\n System.out.println(Byte.valueOf(hoge));\r\n System.out.println(Short.valueOf(hoge));\r\n System.out.println(Long.valueOf(hoge));\r\n System.out.println(Float.valueOf(hoge));\r\n System.out.println(Double.valueOf(hoge));\r\n}\r\n<\/code><\/pre>\n\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n
1
\n1
\n1
\n1
\n1.0
\n1.0
\n\u5728\u8fd9\u4e2a\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u4f8b\u5982\u6211\u4eec\u8c03\u7528\u4e86Integer\u7c7b\u7684valueOf\u65b9\u6cd5\uff0c\u6240\u4ee5\u5728\u8c03\u7528\u540e\uff0c\u5c06\u503c\u8f6c\u6362\u4e3a\u4e86Integer\u7c7b\u3002<\/p>\n
\u5c06\u6570\u503c\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u65b9\u6cd5
\n\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5c06\u6570\u503c\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u3002<\/p>\n
\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u4f7f\u7528valueOf\u65b9\u6cd5\u5c06\u67d0\u4e2a\u503c\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u7684\u65b9\u6cd5\u3002<\/p>\n
\u5728\u4e4b\u524d\u7684\u201c\u4ece\u5b57\u7b26\u4e32\u5230\u6570\u5b57\u7684\u8f6c\u6362\u201d\u4e2d\uff0c\u6211\u4eec\u8bb2\u89e3\u4e86\u5982\u4f55\u4f7f\u7528valueOf\u51fd\u6570\u3002\u5728\u6570\u5b57\u5230\u5b57\u7b26\u4e32\u7684\u8f6c\u6362\u4e2d\uff0c\u540c\u6837\u53ef\u4ee5\u4f7f\u7528valueOf\u51fd\u6570\u3002<\/p>\n
\u516c\u5171\u7c7bMain{
\npublic static void main(String[] args) {<\/p>\n
int num = 1;\r\n\r\n String str = String.valueOf(num);\r\n System.out.println(str);\r\n}\r\n<\/code><\/pre>\n\u7ed3\u679c:<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528String.valueOf\u65b9\u6cd5\u5c06int\u7c7b\u578b\u7684\u53d8\u91cf\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n
\u4f7f\u7528toString\u65b9\u6cd5
\n\u50cfInteger\u7c7b\u6216Float\u7c7b\u8fd9\u6837\u7684\u7c7b\u4e2d\u90fd\u914d\u5907\u4e86toString\u65b9\u6cd5\uff0c\u901a\u8fc7\u4f7f\u7528\u8be5\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n
\u516c\u5171\u7c7b \u4e3b\u8981\u7684 {
\n}<\/p>\n
public static void main(String[] args) {\r\n System.out.println(Integer.toString(1));\r\n System.out.println(Byte.toString((byte)1));\r\n System.out.println(Short.toString((short)1));\r\n System.out.println(Long.toString(1l));\r\n System.out.println(Float.toString(1.0f));\r\n System.out.println(Double.toString(1.0));\r\n}\r\n<\/code><\/pre>\n\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n
1
\n1
\n1
\n1
\n1.0
\n1.0
\n\u8c03\u7528toString\u65b9\u6cd5\u65f6\uff0c\u4f1a\u5c06\u8be5\u793a\u4f8b\u4ee3\u7801\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5e76\u8fd4\u56de\u3002<\/p>\n
\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u6837\u4f8b\u4ee3\u7801\uff0c\u4ee5\u68c0\u67e5String\u7c7b\u578b\u7684\u503c\u662f\u5426\u4e3a\u6570\u5b57\u3002\u5982\u679c\u65e0\u6cd5\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\uff0c\u4f1a\u53d1\u751f\u4ec0\u4e48\u60c5\u51b5\u3002<\/p>\n
\u516c\u5171\u7c7b\u4e3b\u8981{<\/p>\n
public static void main(String[] args) {\r\n System.out.println(Integer.parseInt(\"aa\"));\r\n System.out.println(Integer.valueOf(\"aa\"));\r\n}\r\n<\/code><\/pre>\n\u5c1d\u8bd5\u6267\u884c\u6b64\u793a\u4f8b\u4ee3\u7801\u65f6\uff0c\u5c06\u4f1a\u51fa\u73b0\u5f02\u5e38\u6216\u7f16\u8bd1\u9519\u8bef\uff0c\u65e0\u6cd5\u6267\u884c\u3002\u5728\u4f20\u9012\u53c2\u6570\u65f6\uff0c\u5fc5\u987b\u4f7f\u7528\u6b63\u786e\u7684\u6570\u5b57\u3002\u56e0\u6b64\uff0c\u5728\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u4e4b\u524d\uff0c\u5e94\u8be5\u68c0\u67e5\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u503c\u662f\u5426\u4e3a\u6570\u5b57\u3002<\/p>\n
\u6709\u4e24\u79cd\u65b9\u6cd5\u6765\u68c0\u67e5String\u7c7b\u578b\u7684\u503c\u662f\u5426\u4e3a\u6570\u5b57\u3002\u4e00\u662f\u901a\u8fc7\u4f7f\u7528try-catch\u8bed\u53e5\u5904\u7406\u5f02\u5e38\uff0c\u53e6\u4e00\u79cd\u662f\u901a\u8fc7\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u68c0\u67e5\u3002<\/p>\n
\u6211\u4eec\u5c06\u8be6\u7ec6\u6838\u5b9e\u6bcf\u79cd\u65b9\u6cd5\u3002\u53e6\u5916\uff0c\u8fd8\u6709\u4e00\u79cd\u5229\u7528Apache Commons Lang\u7684NumberUtils#isNumber\u65b9\u6cd5\u7684\u65b9\u5f0f\uff0c\u4f46\u7531\u4e8e\u5b83\u4e0d\u662f\u6807\u51c6\u5e93\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u7701\u7565\u89e3\u91ca\u3002<\/p>\n
\u4f7f\u7528try-catch\u8bed\u53e5\u5bf9\u5f02\u5e38\u8fdb\u884c\u5904\u7406
\n\u4f7f\u7528try-catch\u8bed\u53e5\u5bf9\u5b57\u7b26\u4e32\u7684\u503c\u8fdb\u884c\u68c0\u67e5\uff0c\u5982\u679c\u4e0d\u662f\u6570\u503c\uff0c\u5219\u6267\u884c\u5f02\u5e38\u5904\u7406\u3002<\/p>\n
\u516c\u5171\u7c7b Main {<\/p>\n
public static void main(String[] args) {\r\n try {\r\n System.out.println(Integer.parseInt(\"-10\"));\r\n System.out.println(Integer.valueOf(\"aa\"));\r\n } catch (NumberFormatException e) {\r\n System.out.println(e);\r\n }\r\n}\r\n<\/code><\/pre>\n\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n
-10
\njava.lang.NumberFormatException: \u8f93\u5165\u5b57\u7b26\u4e32: “aa” \u65e0\u6cd5\u8f6c\u5316\u4e3a\u6570\u5b57\u3002
\n\u6b64\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0cInteger.parseInt\u65b9\u6cd5\u7684\u53c2\u6570\u5b57\u7b26\u4e32\u662f\u6570\u5b57\uff0c\u800cInteger.valueOf\u65b9\u6cd5\u7684\u53c2\u6570\u5b57\u7b26\u4e32\u5e76\u975e\u6570\u5b57\u3002<\/p>\n
\u5982\u679c\u53c2\u6570\u5b57\u7b26\u4e32\u4e0d\u662f\u6570\u503c\uff0c\u5219\u5728try-catch\u8bed\u53e5\u4e2d\u8fdb\u884c\u5f02\u5e38\u5904\u7406\u3002<\/p>\n
\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u68c0\u67e5\u7684\u65b9\u6cd5\u662f\u6307\u5b9a\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5f0f\uff0c\u7136\u540e\u68c0\u67e5\u5b57\u7b26\u4e32\u662f\u5426\u662f\u6570\u5b57\u3002<\/p>\n
\u5f15\u5165java.util.regex.Matcher\u548cjava.util.regex.Pattern\u5e93\u3002<\/p>\n
\u516c\u5171\u7684\u7c7b Main {<\/p>\n
public static void main(String[] args) {\r\n String str1 = \"-10\";\r\n String str2 = \"aa\";\r\n\r\n \/\/ \u6b63\u898f\u8868\u73fe\u306e\u8a2d\u5b9a\r\n String regex = \"^-?[0-9]*$\";\r\n Pattern p = Pattern.compile(regex);\r\n Matcher m1 = p.matcher(str1);\r\n Matcher m2 = p.matcher(str2);\r\n\r\n if(m1.find()) {\r\n System.out.println(Integer.parseInt(str1));\r\n }\r\n\r\n if(m2.find()) {\r\n System.out.println(Integer.valueOf(str2));\r\n } \r\n}\r\n<\/code><\/pre>\n\u6267\u884c\u7ed3\u679c\uff1a<\/p>\n
-10<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528String\u7c7b\u578b\u7684\u53d8\u91cfregex\u6765\u6307\u5b9a\u5305\u542b\u8d1f\u503c\u7684\u6574\u6570\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5f0f\u3002<\/p>\n
\u5982\u679c\u4e0e\u6574\u6570\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5f0f\u5339\u914d\uff0c\u5219\u5c06\u8f6c\u6362\u4e3a\u6574\u6570\u503c\u5e76\u8fdb\u884c\u8f93\u51fa\u663e\u793a\u3002 \u5982\u679c\u4e0d\u5339\u914d\uff0c\u5219\u4e0d\u4f1a\u8fdb\u884c\u8f93\u51fa\u663e\u793a\u3002<\/p>\n
\u53e6\u5916\uff0c\u8bf7\u53c2\u8003\u8fd9\u91cc\u7684\u8be6\u7ec6\u8bf4\u660e\uff0c\u5173\u4e8e\u5982\u4f55\u7f16\u5199\u7528\u4e8e\u68c0\u67e5\u5b57\u7b26\u4e32\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5f0f\u3002<\/p>\n
\u3010\u4f7f\u7528Java\u8fdb\u884c\u6b63\u5219\u8868\u8fbe\u5f0f\u3011\u7f16\u5199\u548c\u793a\u8303\u68c0\u67e5\u5b57\u7b26\u4e32\u6a21\u5f0f\u7684\u65b9\u6cd5
\n\u66f4\u65b0\u65e5\u671f\uff1a2019\u5e744\u670823\u65e5
\n\u6709\u5173String\u7684\u4f7f\u7528\u603b\u7ed3\u6587\u7ae0\u5728\u6b64\u5904
\n\u6211\u4eec\u8be6\u7ec6\u89e3\u91ca\u4e86String\u7684\u5404\u79cd\u7528\u6cd5\uff0c\u8bf7\u52a1\u5fc5\u67e5\u770b\uff01<\/p>\n
\u3010Java String\u3011\u901a\u8fc7\u4e03\u79cd\u57fa\u672c\u7528\u6cd5\u6765\u7406\u89e3\u5b57\u7b26\u4e32\u64cd\u4f5c
\n\u66f4\u65b0\u65e5\u671f\uff1a2019\u5e745\u67087\u65e5
\n\u603b\u7ed3\uff1a
\n\u672c\u6b21\u6211\u4eec\u8bb2\u89e3\u4e86\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3aint\u578b\u7684\u65b9\u6cd5\uff0c\u60a8\u89c9\u5f97\u5982\u4f55\u5462\uff1f<\/p>\n
\u5728\u5c06String\u7c7b\u578b\u8f6c\u6362\u4e3a\u6570\u503c\u7c7b\u578b\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528parseInteger\u3001parseByte\u3001parseFloat\u7b49\u65b9\u6cd5\u6216\u8005valueOf\u65b9\u6cd5\u3002\u800c\u5c06\u6570\u503c\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5219\u53ef\u4ee5\u4f7f\u7528valueOf\u6216\u8005toString\u65b9\u6cd5\u3002<\/p>\n
\u5982\u679c\u5fd8\u8bb0\u4e86\uff0c\u8bf7\u52a1\u5fc5\u56de\u60f3\u8d77\u8fd9\u7bc7\u6587\u7ae0\uff01<\/p>\n
\u4f7f\u7528LINE\u53d1\u9001<\/p>\n
\u5982\u679c\u4f60\u60f3\u8981\u8f6c\u884c\u6210\u4e3aIT\u5de5\u7a0b\u5e08\uff0c\u6211\u63a8\u8350\u4f60\u5bfb\u627e\u4e00\u5bb6\u80fd\u591f\u8bc4\u4ef7\u4f60\u7684\u4e2a\u4eba\u4ef7\u503c\u7684\u516c\u53f8\uff0c\u5e76\u4e14\u5e0c\u671b\u63d0\u9ad8\u5e74\u6536\u5165\uff01\u60f3\u8981\u4e86\u89e3\u4e0e\u4f60\u7684\u6280\u80fd\u76f8\u5339\u914d\u7684\u7279\u6b8a\u9879\u76ee\uff01\u4f5c\u4e3a\u4e00\u4e2a\u5de5\u7a0b\u5e08\uff0c\u5b83\u662f\u5f53\u4e0b\u6700\u53d7\u5173\u6ce8\u7684\u804c\u4e1a\u4e4b\u4e00\u3002\u5f88\u591a\u4eba\u5e0c\u671b\u901a\u8fc7\u6210\u4e3a\u5de5\u7a0b\u5e08\u6765\u589e\u52a0\u5e74\u6536\u5165\uff0c\u6216\u8005\u5e0c\u671b\u8f6c\u804c\u5230\u9002\u5408\u81ea\u5df1\u6280\u80fd\u7684\u516c\u53f8\u3002<\/p>\n
\u7136\u800c\uff0c\u5373\u4f7f\u5927\u578b\u7684\u804c\u4e1a\u8f6c\u6362\u5a92\u4f53\u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u5de5\u4f5c\u673a\u4f1a\uff0c\u7531\u4e8e\u6bcf\u4e2a\u4eba\u90fd\u5728\u6ce8\u518c\uff0c\u7ade\u4e89\u7387\u4e5f\u76f8\u5f53\u9ad8\u3002\u56e0\u6b64\uff0c\u5373\u4f7f\u627e\u5230\u7b26\u5408\u60a8\u6761\u4ef6\u7684\u516c\u53f8\uff0c\u4e3a\u4e86\u6210\u529f\u8f6c\u804c\uff0c\u60a8\u4e5f\u9700\u8981\u4ed8\u51fa\u76f8\u5e94\u7684\u52aa\u529b\u548c\u6280\u80fd\u3002<\/p>\n
\u5728\u8fd9\u6837\u7684\u5a92\u4f53\u4e0a\uff0c\u5bf9\u4e8e\u90a3\u4e9b\u60f3\u4ece\u96f6\u5f00\u59cb\u6210\u4e3a\u5de5\u7a0b\u5e08\u6216\u8005\u5df2\u7ecf\u67092\u52303\u5e74\u5de5\u7a0b\u5e08\u7ecf\u9a8c\u5e76\u8003\u8651\u8df3\u69fd\u7684\u4eba\u6765\u8bf4\uff0c\u5e76\u4e0d\u662f\u6700\u7406\u60f3\u7684\u5c31\u4e1a\u73af\u5883\u3002<\/p>\n
\u6211\u60f3\u63a8\u8350\u7684\u662f\u201c\u4f8d\u30ef\u30fc\u30af\u30b9\u201d\uff0c\u4ed6\u4eec\u53d1\u5e03\u4e86\u5f88\u591a\u9002\u5408\u65e0\u7ecf\u9a8c\u8005\u548c\u5e74\u8f7b\u5de5\u7a0b\u5e08\u7684\u72ec\u7279\u9879\u76ee\u3002<\/p>\n
\u8fd8\u63d0\u4f9b\u4e86\u7075\u6d3b\u548c\u5145\u6ee1\u521b\u9020\u529b\u7684\u5de5\u4f5c\u673a\u4f1a\u3002<\/p>\n
\u30fb\u4ece\u7533\u8bf7\u5230\u5c31\u4e1a\u4e00\u76f4\u63d0\u4f9b\u4e00\u81f4\u7684\u652f\u6301
\n\u30fb\u5728\u5c31\u4e1a\u540e\u4e5f\u8fdb\u884c\u552e\u540e\u670d\u52a1<\/p>\n
\u5bf9\u4e8e\u7ecf\u9a8c\u8f83\u6d45\u3001\u521d\u6b21\u8ffd\u6c42\u5de5\u7a0b\u5e08\u804c\u4e1a\u7684\u4eba\u58eb\uff0c\u6211\u4eec\u6709\u7740\u8ba9\u5176\u653e\u5fc3\u7684\u5b8c\u5584\u5e2e\u52a9\u4f53\u7cfb\u3002\u5f53\u7136\uff0c\u6ce8\u518c\u662f\u5b8c\u5168\u514d\u8d39\u7684\uff01\u800c\u4e14\uff0c\u5982\u679c\u53ea\u662f\u6d4f\u89c8\u9879\u76ee\uff0c\u65e0\u9700\u8fdb\u884c\u6ce8\u518c\u3002<\/p>\n
\u9996\u5148\uff0c\u8bf7\u968f\u610f\u67e5\u770b\u6709\u54ea\u4e9b\u804c\u4f4d\u7a7a\u7f3a\u3002\u4e00\u5b9a\u80fd\u627e\u5230\u9002\u5408\u60a8\u7684\u516c\u53f8\uff01\u8bf7\u67e5\u770b\u4f8d\u30ef\u30fc\u30af\u30b9\u7684\u804c\u4f4d\u4fe1\u606f\u3002
\n\u5965\u6b66\u5c9b\uff08\u30aa\u30fc\u30bf\u30b1\uff09
\n\u5965\u6b66\u5c9b\uff08\u30aa\u30fc\u30bf\u30b1\uff09
\n30\u5c81\uff0c\u81ea\u7531\u804c\u4e1a\u7a0b\u5e8f\u5458\u3002\u4ece\u4e2d\u5b66\u65f6\u4ee3\u5f00\u59cb\u5bf9\u7f16\u7a0b\u611f\u5174\u8da3\uff0c\u6709\u6e38\u620f\u5f00\u53d1\u548c\u7f51\u7ad9\u6784\u5efa\u7ecf\u9a8c\u3002
\n\u5bf9\u65b0\u7684\u6846\u67b6\u548c\u5e93\u5145\u6ee1\u5174\u8da3\uff0c\u5982\u679c\u5305\u542b\u521b\u65b0\u529f\u80fd\u4f1a\u6b22\u559c\u5f97\u54ed\u3002<\/p>\n
\u67e5\u770b\u6240\u6709\u6587\u7ae0
\n\u8fd9\u7bc7\u6587\u7ae0\u4e4b\u540e\u5f88\u53d7\u6b22\u8fce\uff01<\/p>\n
\u3010Java\u5165\u9580\u3011\u4f7f\u7528switch-case\u8bed\u53e5\u7684\u65b9\u6cd5
\n2017\/3\/27<\/p>\n
2017\u5e746\u67087\u65e5<\/p>\n
\u3010Java\u5165\u95e8\u3011\u89e3\u91cainterface\u548cimplements\u7684\u57fa\u672c\u7528\u6cd5\uff01
\n2017\/4\/19<\/p>\n
2019\u5e744\u670816\u65e5<\/p>\n
\u30105\u5206\u949f\u638c\u63e1Java\u3011\u603b\u7ed3Map\u7684containsKey\u7528\u6cd5\u548c\u901f\u5ea6<\/p>\n
2019\u5e7410\u670823\u65e5<\/p>\n
Java\u548cJavaScript\u6709\u4ec0\u4e48\u533a\u522b\uff1f\u7528\u56db\u4e2a\u660e\u663e\u7684\u5dee\u5f02\u6765\u6df1\u5ea6\u5206\u6790\u30022017\/9\/2<\/p>\n
2019\u5e7411\u67087\u65e5<\/p>\n
\u3010Java\u57fa\u7840\u6559\u7a0b\u3011\u5982\u4f55\u4f7f\u7528equals\u65b9\u6cd5\u6bd4\u8f83String\u7c7b\u578b\u7684\u5b57\u7b26\u4e32
\n2017\u5e743\u670813\u65e5<\/p>\n
2017\u5e7412\u670815\u65e5<\/p>\n
\u3010Java\u5165\u95e8\u3011\u89e3\u91caLogger\u7684\u4f7f\u7528\u65b9\u6cd5\uff08\u5305\u62ec\u65e5\u5fd7\u7ea7\u522b\u548c\u8f93\u51fa\u76ee\u6807\u7684\u8bbe\u7f6e\uff09
\n2018\u5e746\u670827\u65e5<\/p>\n
\u4e8c\u96f6\u4e00\u4e5d\u5e74\u4e94\u6708\u4e8c\u65e5<\/p>\n
\u5206\u7c7b
\n\u9996\u9875
\n\u91c7\u8bbf
\n\u5b66\u4e60\u4e13\u680f
\n\u8bfe\u7a0b
\n\u6559\u7a0b
\n\u5b66\u4e60\u8bca\u65ad
\n\u514d\u8d39\u5b66\u4e60\u54a8\u8be2
\n\u8bfe\u7a0b
\n\u7f16\u7a0b\u5165\u95e8
\nRuby\u5165\u95e8
\nSwift\u5165\u95e8
\nJava\u5165\u95e8
\nPython\u5165\u95e8
\nJavaScript\u5165\u95e8
\n\u8fd0\u8425\u516c\u53f8
\n\u516c\u53f8\u6982\u51b5
\n\u4ee3\u8868\u81f4\u8f9e
\n\u62db\u8058\u4fe1\u606f
\n\u8054\u7cfb\u6211\u4eec
\n\u9690\u79c1\u653f\u7b56
\n\u6b66\u58eb\u5de5\u7a0b\u5e08\u5b66\u9662\u535a\u5ba2\u5fbd\u6807
\nFacebook Twitter YouTube
\n\u00a9Samurai, Inc.\u7248\u6743\u6240\u6709\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7f16\u7a0b\u5b66\u4e60\u7684\u7efc\u5408\u7f51\u7ad9 \u4f8d\u5de5\u7a0b\u5e08\u5b66\u9662\u535a\u5ba2\u5fbd\u6807 \u535a\u5ba2 \u670d\u52a1 \u4e1a\u52a1\u5185\u5bb9 \u516c\u53f8 \u516c\u53f8\u4ecb\u7ecd \u62db\u8058 \u62db\u8058\u4fe1\u606f \u514d\u8d39\u4f53\u9a8c\u8bfe \u4e3b […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-31144","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\n
\u5173\u4e8eJava\u5b9e\u4f8b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5173\u4e8eJava\u5b9e\u4f8b\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5173\u4e8ejava\u5b9e\u4f8b\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5173\u4e8eJava\u5b9e\u4f8b\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8e\u5173\u4e8eJava\u5b9e\u4f8b\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5173\u4e8ejava\u5b9e\u4f8b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-02-01T22:29:23+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-12T14:33:08+00:00\" \/>\n<meta name=\"author\" content=\"\u6e05, \u5b87\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6e05, \u5b87\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e5%ae%9e%e4%be%8b\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e5%ae%9e%e4%be%8b\/\",\"name\":\"\u5173\u4e8eJava\u5b9e\u4f8b - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-02-01T22:29:23+00:00\",\"dateModified\":\"2025-08-12T14:33:08+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/1a6ecd3d914d22a5ac32791ffc1fbd8e\"},\"description\":\"\u5173\u4e8e\u5173\u4e8eJava\u5b9e\u4f8b\u7684\u6280\u672f\u6587\u7ae0\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e5%ae%9e%e4%be%8b\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e5%ae%9e%e4%be%8b\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e5%ae%9e%e4%be%8b\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u5173\u4e8eJava\u5b9e\u4f8b\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/1a6ecd3d914d22a5ac32791ffc1fbd8e\",\"name\":\"\u6e05, \u5b87\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/4b2016c18459a605fc469c7566608f5686491baa112d0871ee613f61b7210565?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/4b2016c18459a605fc469c7566608f5686491baa112d0871ee613f61b7210565?s=96&d=mm&r=g\",\"caption\":\"\u6e05, \u5b87\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/qingyu\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e5%ae%9e%e4%be%8b\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u5173\u4e8eJava\u5b9e\u4f8b - Blog - Silicon Cloud","description":"\u5173\u4e8e\u5173\u4e8eJava\u5b9e\u4f8b\u7684\u6280\u672f\u6587\u7ae0","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/\u5173\u4e8ejava\u5b9e\u4f8b\/","og_locale":"zh_CN","og_type":"article","og_title":"\u5173\u4e8eJava\u5b9e\u4f8b","og_description":"\u5173\u4e8e\u5173\u4e8eJava\u5b9e\u4f8b\u7684\u6280\u672f\u6587\u7ae0","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/\u5173\u4e8ejava\u5b9e\u4f8b\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-02-01T22:29:23+00:00","article_modified_time":"2025-08-12T14:33:08+00:00","author":"\u6e05, \u5b87","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u6e05, \u5b87","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e5%ae%9e%e4%be%8b\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e5%ae%9e%e4%be%8b\/","name":"\u5173\u4e8eJava\u5b9e\u4f8b - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-02-01T22:29:23+00:00","dateModified":"2025-08-12T14:33:08+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/1a6ecd3d914d22a5ac32791ffc1fbd8e"},"description":"\u5173\u4e8e\u5173\u4e8eJava\u5b9e\u4f8b\u7684\u6280\u672f\u6587\u7ae0","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e5%ae%9e%e4%be%8b\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e5%ae%9e%e4%be%8b\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e5%ae%9e%e4%be%8b\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"\u5173\u4e8eJava\u5b9e\u4f8b"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/1a6ecd3d914d22a5ac32791ffc1fbd8e","name":"\u6e05, \u5b87","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/4b2016c18459a605fc469c7566608f5686491baa112d0871ee613f61b7210565?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/4b2016c18459a605fc469c7566608f5686491baa112d0871ee613f61b7210565?s=96&d=mm&r=g","caption":"\u6e05, \u5b87"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/qingyu\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8ejava%e5%ae%9e%e4%be%8b\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/31144","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=31144"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/31144\/revisions"}],"predecessor-version":[{"id":95596,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/31144\/revisions\/95596"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=31144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=31144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=31144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}