{"id":623,"date":"2022-08-19T12:28:39","date_gmt":"2023-06-03T07:08:35","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/"},"modified":"2025-08-02T23:29:46","modified_gmt":"2025-08-02T15:29:46","slug":"kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/","title":{"rendered":"Kotlin\u6570\u636e\u7c7b\u5b8c\u5168\u6307\u5357\uff1a\u7528\u6cd5\u3001\u793a\u4f8b\u4e0e\u6700\u4f73\u5b9e\u8df5"},"content":{"rendered":"

\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u5b66\u4e60Kotlin\u7684\u6570\u636e\u7c7b\u3002\u5982\u679c\u60a8\u8fd8\u6ca1\u6709\u9605\u8bfb\u8fc7Kotlin\u7c7b\u7684\u6587\u7ae0\uff0c\u6211\u4eec\u5efa\u8bae\u60a8\u5728\u7ee7\u7eed\u4e4b\u524d\u5148\u9605\u8bfb\u4e00\u4e0b\u3002<\/p>\n

Kotlin\u7684\u6570\u636e\u7c7b<\/h2>\n
\n \"Kotlin\n<\/div>\n
public class Book {\r\n\r\n    private String name;\r\n    private String authorName;\r\n    private long lastModifiedTimeStamp;\r\n    private float rating;\r\n    private int downloads;\r\n\r\n\r\n    public Book(String name, String authorName, long lastModified, float rating, int downloads) {\r\n        this.name = name;\r\n        this.authorName = authorName;\r\n        this.lastModifiedTimeStamp = lastModified;\r\n        this.rating = rating;\r\n        this.downloads = downloads;\r\n    }\r\n\r\n    public String getName() {\r\n        return name;\r\n    }\r\n\r\n    public void setName(String name) {\r\n        this.name = name;\r\n    }\r\n\r\n    public String getAuthorName() {\r\n        return authorName;\r\n    }\r\n\r\n    public void setAuthorName(String authorName) {\r\n        this.authorName = authorName;\r\n    }\r\n\r\n    public long getLastModifiedTimeStamp() {\r\n        return lastModifiedTimeStamp;\r\n    }\r\n\r\n    public void setLastModifiedTimeStamp(long lastModifiedTimeStamp) {\r\n        this.lastModifiedTimeStamp = lastModifiedTimeStamp;\r\n    }\r\n\r\n    public float getRating() {\r\n        return rating;\r\n    }\r\n\r\n    public void setRating(float rating) {\r\n        this.rating = rating;\r\n    }\r\n\r\n    public int getDownloads() {\r\n        return downloads;\r\n    }\r\n\r\n    public void setDownloads(int downloads) {\r\n        this.downloads = downloads;\r\n    }\r\n\r\n    @Override\r\n    public boolean equals(Object o) {\r\n        if (this == o) return true;\r\n        if (o == null || getClass() != o.getClass()) return false;\r\n\r\n        Book that = (Book) o;\r\n\r\n        if (downloads != that.downloads)\r\n            return false;\r\n        if (name != null ? !name.equals(that.name) :\r\n                that.name != null) {\r\n            return false;\r\n        }\r\n        return authorName != null ?\r\n                authorName.equals(that.authorName) :\r\n                that.authorName == null;\r\n\r\n    }\r\n\r\n    @Override\r\n    public int hashCode() {\r\n        int result = name != null ? name.hashCode() : 0;\r\n        result = 31 * result + (authorName != null ?\r\n                authorName.hashCode() : 0);\r\n        result = 31 * result + downloads;\r\n        return result;\r\n    }\r\n\r\n    @Override\r\n    public String toString() {\r\n        return \"Book{\" +\r\n                \"name='\" + name + '\\'' +\r\n                \", author='\" + authorName + '\\'' +\r\n                \", lastModifiedTimestamp='\" + lastModifiedTimeStamp + '\\'' +\r\n                \", rating='\" + rating + '\\'' +\r\n                \", downloads=\" + downloads +\r\n                '}';\r\n    }\r\n}\r\n<\/code><\/pre>\n
\u54c7\uff01\u4ec5\u4ec5\u7528\u4e8e\u5b58\u50a85\u4e2a\u5b57\u6bb5\u7684\u5bf9\u8c61\u5c31\u9700\u898196\u884c\u4ee3\u7801\u3002\u9664\u4e86getter\u548csetter\u3001toString()\u3001equals()\u548chashCode()\u65b9\u6cd5\u4e4b\u5916\uff0c\u6211\u4eec\u5728\u8fd9\u91cc\u6ca1\u6709\u505a\u592a\u591a\u4e8b\u60c5\u3002\u5728\u6211\u4eec\u7684\u5b9e\u8df5\u4e2d\uff0c\u6709\u4e86\u6e05\u6670\u7684\u67b6\u6784\u548c\u4ee3\u7801\u5206\u79bb\u7684\u5b9e\u8df5\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efaPOJO\u7c7b\uff0c\u56e0\u4e3a\u6bcf\u4e2a\u9879\u76ee\u90fd\u9700\u8981\u5b58\u50a8\u6570\u636e\u3002\u8fd9\u53ef\u80fd\u4f1a\u589e\u52a0\u6837\u677f\u4ee3\u7801\u7684\u91cf\u3002\u8fd9\u5c31\u662fKotlin\u51fa\u573a\u7684\u5730\u65b9\uff0c\u5b83\u4f7f\u7528\u4e86\u6570\u636e\u7c7b\u6765\u51cf\u5c11\u6837\u677f\u4ee3\u7801\u3002\u4e0a\u8ff0\u7684POJO\u7c7b\u53ef\u4ee5\u7528\u4ee5\u4e0b\u65b9\u5f0f\u5728Kotlin\u4e2d\u7f16\u5199\uff1a<\/p>\n
data class Book(var name: String, var authorName: String, var lastModified: Long, var rating: Float, var downloads: Int)\r\n<\/code><\/pre>\n
\u5c31\u662f\u8fd9\u6837\u3002Kotlin\u628a96\u884cJava\u4ee3\u7801\u8f6c\u5316\u4e3a\u4e00\u884c\u4ee3\u7801\u3002\u8fd9\u662fKotlin\u51cf\u5c11\u9879\u76ee\u4e2d\u6837\u677f\u4ee3\u7801\u7684\u65b9\u5f0f\uff01<\/p>\n
\u521b\u5efaKotlin\u6570\u636e\u7c7b<\/h3>\n
\u521b\u5efaKotlin Data\u7c7b\u7684\u8981\u6c42\u5982\u4e0b\uff1a<\/p>\n
    \n
  • \u9700\u8981\u5728\u7c7b\u524d\u9762\u6dfb\u52a0data\u5173\u952e\u5b57<\/li>\n
  • \u4e3b\u6784\u9020\u51fd\u6570\u9700\u8981\u81f3\u5c11\u6709\u4e00\u4e2a\u53c2\u6570\u3002<\/li>\n
  • \u4e3b\u6784\u9020\u51fd\u6570\u7684\u6bcf\u4e2a\u53c2\u6570\u5fc5\u987b\u88ab\u6807\u8bb0\u4e3aval\u6216var\u3002\u8fd9\u4e0e\u666e\u901a\u7c7b\u4e0d\u540c\uff0c\u5728\u666e\u901a\u7c7b\u4e2d\u6307\u5b9aval\u6216var\u4e0d\u662f\u5f3a\u5236\u6027\u7684\u3002<\/li>\n
  • \u6570\u636e\u7c7b\u4e0d\u80fd\u88ab\u6807\u8bb0\u4e3aabstract\u3001open\u3001sealed\u6216inner<\/li>\n<\/ul>\n
    Kotlin\u6570\u636e\u7c7b\u5185\u7f6e\u65b9\u6cd5<\/h3>\n
    Kotlin \u6570\u636e\u7c7b\u4f1a\u81ea\u52a8\u4e3a\u4f60\u521b\u5efa\u4ee5\u4e0b\u51fd\u6570\u3002<\/p>\n
      \n
    • equals()\u548chashCode()<\/li>\n
    • toString()\u65b9\u6cd5\uff0c\u683c\u5f0f\u4e3a”Book(name=JournalDev, authorName=Anupam)”<\/li>\n
    • \u6309\u7167\u6307\u5b9a\u987a\u5e8f\u4e3a\u6bcf\u4e2a\u53c2\u6570\u751f\u6210componentN()\u51fd\u6570\u3002\u8fd9\u88ab\u79f0\u4e3a\u89e3\u6784\u58f0\u660e\u3002<\/li>\n
    • copy()<\/li>\n<\/ul>\n
      Kotlin\u6570\u636e\u7c7b\u7684\u7279\u6027<\/h3>\n
      \u4ee5\u4e0b\u662f\u6570\u636e\u7c7b\u63d0\u4f9b\u7684\u4e00\u4e9b\u7279\u6027\u3002<\/p>\n
        \n
      • \u8981\u521b\u5efa\u4e00\u4e2a\u65e0\u53c2\u6784\u9020\u51fd\u6570\uff0c\u9700\u8981\u4e3a\u4e3b\u6784\u9020\u51fd\u6570\u4e2d\u7684\u6bcf\u4e2a\u53c2\u6570\u6307\u5b9a\u9ed8\u8ba4\u503c\u3002<\/li>\n
      • \u6570\u636e\u7c7b\u5141\u8bb8\u7ee7\u627f\uff08\u4e0d\u9700\u8981\u63d0\u53caopen\u5173\u952e\u5b57\uff09\u3002<\/li>\n
      • \u4f60\u53ef\u4ee5\u4e3aequals()\u3001hashCode()\u548ctoString()\u51fd\u6570\u63d0\u4f9b\u663e\u5f0f\u5b9e\u73b0\u3002<\/li>\n
      • \u4e0d\u5141\u8bb8\u4e3acopy()\u548ccomponentN()\u51fd\u6570\u63d0\u4f9b\u663e\u5f0f\u5b9e\u73b0\u3002<\/li>\n
      • \u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5728\u6784\u9020\u51fd\u6570\u4e2d\u6307\u5b9a\u53ef\u89c1\u6027\u4fee\u9970\u7b26\u6765\u63a7\u5236getter\u548csetter\u7684\u53ef\u89c1\u6027\uff0c\u5982\u4e0b\u6240\u793a\u3002\n
        data class Book(var name: String,private var authorName: String, var lastModified: Long, var rating: Float, var downloads: Int)<\/code><\/pre>\n<\/li>\n
      • val\u53c2\u6570\u4e0d\u4f1a\u6709\u9690\u5f0f\u5b9a\u4e49\u7684setter\uff08\u4e5f\u4e0d\u80fd\u663e\u5f0f\u5b9a\u4e49\uff01\uff09\u3002<\/li>\n<\/ul>\n
        \u6570\u636e\u7c7b\u4e2d\u7684\u9ed8\u8ba4\u53c2\u6570\u548c\u547d\u540d\u53c2\u6570<\/h3>\n
        \u4ee5\u4e0b\u662f\u6211\u4eec\u7684\u6570\u636e\u7c7b\uff1a<\/p>\n
        data class Book(var name: String, var authorName: String, var lastModified: Long, var rating: Float, var downloads: Int)\r\n<\/code><\/pre>\n
        \u6240\u6709\u53c2\u6570\u90fd\u6ca1\u6709\u8bbe\u7f6e\u9ed8\u8ba4\u503c\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u5728\u5b9e\u4f8b\u5316\u65f6\u4e3a\u6bcf\u4e2a\u53c2\u6570\u8bbe\u7f6e\u4e00\u4e2a\u53c2\u6570\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
        fun main(args: Array<String>) {\r\nval book = Book(\"Android Tutorials\",\"Anupam\", 1234567, 4.5f, 1000)\r\n}\r\n<\/code><\/pre>\n
        \u8ba9\u6211\u4eec\u8bbe\u7f6e\u4e00\u4e9b\u9ed8\u8ba4\u53c2\u6570\uff0c\u770b\u770b\u5b9e\u4f8b\u5316\u7684\u53d8\u5316\u3002<\/p>\n
        \r\ndata class Book(var name: String, var authorName: String = \"Anupam\", var lastModified: Long = 1234567, var rating: Float = 5f, var downloads: Int = 1000)\r\nfun main(args: Array<String>) {\r\nvar book = Book(\"Android tutorials\",\"Anupam\", 1234567, 4.5f, 1000)\r\n\r\n    book = Book(\"Kotlin\")\r\n    book = Book(\"Swift\",downloads = 500)\r\n    book = Book(\"Java\",\"Pankaj\",rating = 5f, downloads = 1000)\r\n    book = Book(\"Python\",\"Shubham\",rating = 5f)\r\n\r\n}\r\n<\/code><\/pre>\n
        \u4e0e\u5176\u8bbe\u7f6e\u6bcf\u4e2a\u53c2\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u53ea\u8bbe\u7f6e\u975e\u9ed8\u8ba4\u53c2\u6570\u548c\u5e0c\u671b\u8bbe\u7f6e\u7684\u53c2\u6570\uff0c\u4f7f\u7528\u547d\u540d\u53c2\u6570\u3002\u901a\u8fc7\u4f7f\u7528\u547d\u540d\u53c2\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u660e\u786e\u6307\u5b9a\u53c2\u6570\u540d\u540e\u8ddf = \u6765\u5c06\u7b2c5\u4e2a\u53c2\u6570\u8bbe\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\u3002\u4ee5\u8fd9\u79cd\u65b9\u5f0f\u751f\u6d3b\u4f1a\u66f4\u8f7b\u677e\uff01<\/p>\n
        Kotlin \u6570\u636e\u7c7b\u7684 toString() \u65b9\u6cd5<\/p>\n
        toString()\u65b9\u6cd5\u662f\u9690\u5f0f\u521b\u5efa\u7684\uff0c\u5e76\u6253\u5370\u51fa\u5b9e\u4f8b\u7684\u53c2\u6570\u540d\u79f0\u548c\u6807\u7b7e\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
        data class Book(var name: String, var authorName: String = \"Anupam\", var lastModified: Long = 1234567, var rating: Float = 5f, var downloads: Int = 1000)\r\n\r\n\r\nfun main(args: Array<String>) {\r\n\r\n    var book = Book(\"Android tutorials\",\"Anupam\", 1234567, 4.5f, 1000)\r\n    println(book)\r\n    book = Book(\"Kotlin\")\r\n    println(book)\r\n    book = Book(\"Swift\",downloads = 500)\r\n    println(book)\r\n    book = Book(\"Java\",\"Pankaj\",rating = 5f, downloads = 1000)\r\n    println(book.toString())\r\n    book = Book(\"Python\",\"Shubham\",rating = 5f)\r\n    println(book.toString())\r\n\r\n\r\n}\r\n\r\n\/\/Following is printed in the console.\r\n\/\/Book(name=Android tutorials, authorName=Anupam, lastModified=1234567, rating=4.5, downloads=1000)\r\n\/\/Book(name=Kotlin, authorName=Anupam, lastModified=1234567, rating=5.0, downloads=1000)\r\n\/\/Book(name=Swift, authorName=Anupam, lastModified=1234567, rating=5.0, downloads=500)\r\n\/\/Book(name=Java, authorName=Pankaj, lastModified=1234567, rating=5.0, downloads=1000)\r\n\/\/Book(name=Python, authorName=Shubham, lastModified=1234567, rating=5.0, downloads=1000)\r\n<\/code><\/pre>\n
        \u6ce8\u610f\uff1a\u6253\u5370\u51fd\u6570\u4f1a\u9690\u5f0f\u5730\u8c03\u7528toString()\u65b9\u6cd5\u3002<\/p>\n
        Kotlin\u6570\u636e\u7c7b\u7684copy()\u65b9\u6cd5\u7684\u91ca\u4e49\u662f<\/p>\n
        \u4f7f\u7528\u590d\u5236\u51fd\u6570\u53ef\u4ee5\u521b\u5efa\u6570\u636e\u7c7b\u5b9e\u4f8b\u7684\u526f\u672c\uff0c\u5176\u4e2d\u67d0\u4e9b\u5c5e\u6027\u88ab\u4fee\u6539\u3002\u5efa\u8bae\u5728\u6570\u636e\u7c7b\u7684\u6784\u9020\u51fd\u6570\u4e2d\u4f7f\u7528val\u53c2\u6570\uff0c\u4ee5\u4fbf\u4f7f\u7528\u5b9e\u4f8b\u7684\u4e0d\u53ef\u53d8\u5c5e\u6027\u3002\u5728\u5904\u7406\u591a\u7ebf\u7a0b\u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u4e0d\u53ef\u53d8\u5bf9\u8c61\u66f4\u5bb9\u6613\u5904\u7406\u3002\u56e0\u6b64\uff0c\u901a\u8fc7\u53ea\u66f4\u6539\u5c11\u91cf\u5c5e\u6027\u6765\u521b\u5efa\u4e0d\u53ef\u53d8\u5bf9\u8c61\u7684\u526f\u672c\uff0ccopy()\u51fd\u6570\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n
        data class Book(val name: String, val authorName: String = \"Anupam\", val lastModified: Long = 1234567, val rating: Float = 5f, val downloads: Int = 1000)\r\n\r\nfun main(args: Array<String>) {\r\n\r\n    val book = Book(\"Android tutorials\",\"Anupam\", 1234567, 4.5f, 1000)\r\n    println(book)\r\n\r\n    val newBook = book.copy(name = \"Kotlin\")\r\n    println(newBook)\r\n}\r\n\/\/Following is printed in the console.\r\n\/\/Book(name=Android tutorials, authorName=Anupam, lastModified=1234567, rating=4.5, downloads=1000)\r\n\/\/Book(name=Kotlin, authorName=Anupam, lastModified=1234567, rating=4.5, downloads=1000)\r\n<\/code><\/pre>\n
        Kotlin\u6570\u636e\u7c7b\u7684equals()\u548chashCode()\u65b9\u6cd5<\/p>\n
        hashCode() \u65b9\u6cd5\u8fd4\u56de\u5bf9\u8c61\u7684\u54c8\u5e0c\u7801\u3002\u5982\u679c\u4e24\u4e2a\u5bf9\u8c61\u76f8\u7b49\uff0chashCode() \u65b9\u6cd5\u4f1a\u4ea7\u751f\u76f8\u540c\u7684\u6574\u6570\u7ed3\u679c\u3002\u56e0\u6b64\uff0cequals() \u65b9\u6cd5\u4f1a\u5728 hashCode() \u76f8\u7b49\u65f6\u8fd4\u56de true\uff0c\u5426\u5219\u8fd4\u56de false\u3002<\/p>\n
        data class Book(val name: String, val authorName: String = \"Anupam\", val lastModified: Long = 1234567, val rating: Float = 5f, val downloads: Int = 1000)\r\n\r\nfun main(args: Array<String>) {\r\n\r\n    val book = Book(\"Android tutorials\",\"Anupam\", 1234567, 4.5f, 1000)\r\n    println(\"Hashcode is ${book.hashCode()}\")\r\n\r\n    val newBook = book.copy(name = \"Kotlin\")\r\n    println(\"Hashcode is ${newBook.hashCode()}\")\r\n\r\n    val copyBook = book.copy()\r\n    println(\"Hashcode is ${copyBook.hashCode()}\")\r\n\r\n\r\n    if(copyBook.equals(book))\r\n        println(\"copyBook and book are equal\")\r\n\r\n    if(!book.equals(newBook))\r\n        println(\"newBook and book are NOT equal\")\r\n\r\n}\r\n\r\n\/\/Following is printed in the console.\r\n\/\/Hashcode is 649213087\r\n\/\/Hashcode is 1237165820\r\n\/\/Hashcode is 649213087\r\n\/\/copyBook and book are equal\r\n\/\/newBook and book are NOT equal\r\n<\/code><\/pre>\n
        \u7b2c\u4e00\u4e2a\u548c\u7b2c\u4e09\u4e2a\u5bf9\u8c61\u7684\u54c8\u5e0c\u7801\u76f8\u540c\uff0c\u56e0\u6b64\u5b83\u4eec\u662f\u76f8\u7b49\u7684\u3002\u6ce8\u610f\uff1a\u5728 Kotlin \u4e2d\uff0cequals() \u65b9\u6cd5\u7b49\u540c\u4e8e ==\u3002<\/p>\n
        \u89e3\u6784\u58f0\u660e<\/p>\n
        \n                            \"kotlin<\/p>\n
        data class Book(val name: String, val authorName: String = \"Anupam\", val lastModified: Long = 1234567, val rating: Float = 5f, val downloads: Int = 1000)\r\n\r\nfun main(args: Array<String>) {\r\n\r\n    val book = Book(\"Android tutorials\",\"Anupam\", 1234567, 4.5f, 1000)\r\n\r\n    println(book.component1()) \/\/Android tutorials\r\n    println(book.component2()) \/\/Anupam\r\n    println(book.component3()) \/\/1234567\r\n    println(book.component4()) \/\/4.5\r\n    println(book.component5()) \/\/1000\r\n    \r\n}\r\n<\/code><\/pre>\n
        \u89e3\u6784\u58f0\u660e\u5141\u8bb8\u6211\u4eec\u4ece\u7c7b\u5bf9\u8c61\u4e2d\u4ee5\u5c5e\u6027\u7684\u65b9\u5f0f\u8bbf\u95ee\u53c2\u6570\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
        data class Book(val name: String, val authorName: String = \"Anupam\", val lastModified: Long = 1234567, val rating: Float = 5f, val downloads: Int = 1000)\r\n\r\nfun main(args: Array<String>) {\r\n\r\n    val book = Book(\"Android tutorials\",\"Anupam\", 1234567, 4.5f, 1000)\r\n    val (n,a,date,rating,downloads) = book\r\n}\r\n<\/code><\/pre>\n
        \u6ce8\u610f\uff1a\u5982\u679c\u5728\u4efb\u4f55\u53c2\u6570\u4e0a\u8bbe\u7f6e\u4e86\u50cfprivate\u8fd9\u6837\u7684\u53ef\u89c1\u6027\u4fee\u9970\u7b26\uff0c\u5728\u4e0a\u8ff0\u51fd\u6570\u4e2d\u5c06\u65e0\u6cd5\u8bbf\u95ee\u3002<\/p>\n
        data class Book(val name: String, private val authorName: String = \"Anupam\", val lastModified: Long = 1234567, val rating: Float = 5f, val downloads: Int = 1000)\r\n\r\nfun main(args: Array<String>) {\r\n\r\n    val book = Book(\"Android\u6559\u7a0b\", \"Anupam\", 1234567, 4.5f, 1000)\r\n    val (n, a, date, rating, downloads) = book \/\/ \u7531\u4e8eauthorName\u662f\u79c1\u6709\u7684\uff0c\u8fd9\u6bb5\u4ee3\u7801\u5c06\u65e0\u6cd5\u7f16\u8bd1\r\n}\r\n<\/code><\/pre>\n
        \u5bf9\u4e8eKotlin\u6570\u636e\u7c7b\u7684\u5feb\u901f\u6982\u8ff0\u5c31\u662f\u8fd9\u4e9b\u3002\u53c2\u8003\u8d44\u6599\uff1aKotlin\u6587\u6863\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u5b66\u4e60Kotlin\u7684\u6570\u636e\u7c7b\u3002\u5982\u679c\u60a8\u8fd8\u6ca1\u6709\u9605\u8bfb\u8fc7Kotlin\u7c7b\u7684\u6587\u7ae0\uff0c\u6211\u4eec\u5efa\u8bae\u60a8\u5728\u7ee7\u7eed\u4e4b\u524d\u5148\u9605\u8bfb […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[900,897,1472,1763,307],"class_list":{"0":"post-623","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-android","8":"tag-kotlin","10":"tag-1763","11":"tag-307"},"yoast_head":"\nKotlin\u6570\u636e\u7c7b\u5b8c\u5168\u6307\u5357\uff1a\u7528\u6cd5\u3001\u793a\u4f8b\u4e0e\u6700\u4f73\u5b9e\u8df5 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5168\u9762\u89e3\u6790Kotlin\u6570\u636e\u7c7b\u7684\u6982\u5ff5\u3001\u7528\u6cd5\u548c\u5b9e\u9645\u5e94\u7528\u3002\u672c\u6587\u901a\u8fc7\u8be6\u7ec6\u793a\u4f8b\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1Kotlin\u6570\u636e\u7c7b\u7684\u6838\u5fc3\u7279\u6027\uff0c\u5305\u62ec\u81ea\u52a8\u751f\u6210\u65b9\u6cd5\u3001\u89e3\u6784\u58f0\u660e\u3001\u590d\u5236\u529f\u80fd\u7b49\u3002\u9002\u5408Android\u5f00\u53d1\u8005\u548cKotlin\u521d\u5b66\u8005\u5b66\u4e60\u53c2\u8003\uff0c\u63d0\u5347\u4ee3\u7801\u7b80\u6d01\u6027\u548c\u5f00\u53d1\u6548\u7387\u3002\" \/>\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\/kotlin\u6570\u636e\u7c7b\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Kotlin\u6570\u636e\u7c7b\u5b8c\u5168\u6307\u5357\uff1a\u7528\u6cd5\u3001\u793a\u4f8b\u4e0e\u6700\u4f73\u5b9e\u8df5\" \/>\n<meta property=\"og:description\" content=\"\u5168\u9762\u89e3\u6790Kotlin\u6570\u636e\u7c7b\u7684\u6982\u5ff5\u3001\u7528\u6cd5\u548c\u5b9e\u9645\u5e94\u7528\u3002\u672c\u6587\u901a\u8fc7\u8be6\u7ec6\u793a\u4f8b\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1Kotlin\u6570\u636e\u7c7b\u7684\u6838\u5fc3\u7279\u6027\uff0c\u5305\u62ec\u81ea\u52a8\u751f\u6210\u65b9\u6cd5\u3001\u89e3\u6784\u58f0\u660e\u3001\u590d\u5236\u529f\u80fd\u7b49\u3002\u9002\u5408Android\u5f00\u53d1\u8005\u548cKotlin\u521d\u5b66\u8005\u5b66\u4e60\u53c2\u8003\uff0c\u63d0\u5347\u4ee3\u7801\u7b80\u6d01\u6027\u548c\u5f00\u53d1\u6548\u7387\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/kotlin\u6570\u636e\u7c7b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-06-03T07:08:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-02T15:29:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647b20a4b2f92e6c72c089\/2-0.png\" \/>\n<meta name=\"author\" content=\"\u97f5, \u79d1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u97f5, \u79d1\" \/>\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\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/\",\"name\":\"Kotlin\u6570\u636e\u7c7b\u5b8c\u5168\u6307\u5357\uff1a\u7528\u6cd5\u3001\u793a\u4f8b\u4e0e\u6700\u4f73\u5b9e\u8df5 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-06-03T07:08:35+00:00\",\"dateModified\":\"2025-08-02T15:29:46+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e\"},\"description\":\"\u5168\u9762\u89e3\u6790Kotlin\u6570\u636e\u7c7b\u7684\u6982\u5ff5\u3001\u7528\u6cd5\u548c\u5b9e\u9645\u5e94\u7528\u3002\u672c\u6587\u901a\u8fc7\u8be6\u7ec6\u793a\u4f8b\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1Kotlin\u6570\u636e\u7c7b\u7684\u6838\u5fc3\u7279\u6027\uff0c\u5305\u62ec\u81ea\u52a8\u751f\u6210\u65b9\u6cd5\u3001\u89e3\u6784\u58f0\u660e\u3001\u590d\u5236\u529f\u80fd\u7b49\u3002\u9002\u5408Android\u5f00\u53d1\u8005\u548cKotlin\u521d\u5b66\u8005\u5b66\u4e60\u53c2\u8003\uff0c\u63d0\u5347\u4ee3\u7801\u7b80\u6d01\u6027\u548c\u5f00\u53d1\u6548\u7387\u3002\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Kotlin\u6570\u636e\u7c7b\u5b8c\u5168\u6307\u5357\uff1a\u7528\u6cd5\u3001\u793a\u4f8b\u4e0e\u6700\u4f73\u5b9e\u8df5\"}]},{\"@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\/6530331a63adef3b3443a1fab53a0e6e\",\"name\":\"\u97f5, \u79d1\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g\",\"caption\":\"\u97f5, \u79d1\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yunke\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Kotlin\u6570\u636e\u7c7b\u5b8c\u5168\u6307\u5357\uff1a\u7528\u6cd5\u3001\u793a\u4f8b\u4e0e\u6700\u4f73\u5b9e\u8df5 - Blog - Silicon Cloud","description":"\u5168\u9762\u89e3\u6790Kotlin\u6570\u636e\u7c7b\u7684\u6982\u5ff5\u3001\u7528\u6cd5\u548c\u5b9e\u9645\u5e94\u7528\u3002\u672c\u6587\u901a\u8fc7\u8be6\u7ec6\u793a\u4f8b\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1Kotlin\u6570\u636e\u7c7b\u7684\u6838\u5fc3\u7279\u6027\uff0c\u5305\u62ec\u81ea\u52a8\u751f\u6210\u65b9\u6cd5\u3001\u89e3\u6784\u58f0\u660e\u3001\u590d\u5236\u529f\u80fd\u7b49\u3002\u9002\u5408Android\u5f00\u53d1\u8005\u548cKotlin\u521d\u5b66\u8005\u5b66\u4e60\u53c2\u8003\uff0c\u63d0\u5347\u4ee3\u7801\u7b80\u6d01\u6027\u548c\u5f00\u53d1\u6548\u7387\u3002","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\/kotlin\u6570\u636e\u7c7b\/","og_locale":"zh_CN","og_type":"article","og_title":"Kotlin\u6570\u636e\u7c7b\u5b8c\u5168\u6307\u5357\uff1a\u7528\u6cd5\u3001\u793a\u4f8b\u4e0e\u6700\u4f73\u5b9e\u8df5","og_description":"\u5168\u9762\u89e3\u6790Kotlin\u6570\u636e\u7c7b\u7684\u6982\u5ff5\u3001\u7528\u6cd5\u548c\u5b9e\u9645\u5e94\u7528\u3002\u672c\u6587\u901a\u8fc7\u8be6\u7ec6\u793a\u4f8b\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1Kotlin\u6570\u636e\u7c7b\u7684\u6838\u5fc3\u7279\u6027\uff0c\u5305\u62ec\u81ea\u52a8\u751f\u6210\u65b9\u6cd5\u3001\u89e3\u6784\u58f0\u660e\u3001\u590d\u5236\u529f\u80fd\u7b49\u3002\u9002\u5408Android\u5f00\u53d1\u8005\u548cKotlin\u521d\u5b66\u8005\u5b66\u4e60\u53c2\u8003\uff0c\u63d0\u5347\u4ee3\u7801\u7b80\u6d01\u6027\u548c\u5f00\u53d1\u6548\u7387\u3002","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/kotlin\u6570\u636e\u7c7b\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-06-03T07:08:35+00:00","article_modified_time":"2025-08-02T15:29:46+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65647b20a4b2f92e6c72c089\/2-0.png"}],"author":"\u97f5, \u79d1","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u97f5, \u79d1","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"2 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/","name":"Kotlin\u6570\u636e\u7c7b\u5b8c\u5168\u6307\u5357\uff1a\u7528\u6cd5\u3001\u793a\u4f8b\u4e0e\u6700\u4f73\u5b9e\u8df5 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-06-03T07:08:35+00:00","dateModified":"2025-08-02T15:29:46+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/6530331a63adef3b3443a1fab53a0e6e"},"description":"\u5168\u9762\u89e3\u6790Kotlin\u6570\u636e\u7c7b\u7684\u6982\u5ff5\u3001\u7528\u6cd5\u548c\u5b9e\u9645\u5e94\u7528\u3002\u672c\u6587\u901a\u8fc7\u8be6\u7ec6\u793a\u4f8b\u548c\u6700\u4f73\u5b9e\u8df5\uff0c\u5e2e\u52a9\u5f00\u53d1\u8005\u638c\u63e1Kotlin\u6570\u636e\u7c7b\u7684\u6838\u5fc3\u7279\u6027\uff0c\u5305\u62ec\u81ea\u52a8\u751f\u6210\u65b9\u6cd5\u3001\u89e3\u6784\u58f0\u660e\u3001\u590d\u5236\u529f\u80fd\u7b49\u3002\u9002\u5408Android\u5f00\u53d1\u8005\u548cKotlin\u521d\u5b66\u8005\u5b66\u4e60\u53c2\u8003\uff0c\u63d0\u5347\u4ee3\u7801\u7b80\u6d01\u6027\u548c\u5f00\u53d1\u6548\u7387\u3002","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"Kotlin\u6570\u636e\u7c7b\u5b8c\u5168\u6307\u5357\uff1a\u7528\u6cd5\u3001\u793a\u4f8b\u4e0e\u6700\u4f73\u5b9e\u8df5"}]},{"@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\/6530331a63adef3b3443a1fab53a0e6e","name":"\u97f5, \u79d1","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/429ccb39b3fff5188bc17986222cfb0936cbadb8cc933cff04ab5ca01bd30a08?s=96&d=mm&r=g","caption":"\u97f5, \u79d1"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yunke\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/kotlin%e6%95%b0%e6%8d%ae%e7%b1%bb\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/623","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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=623"}],"version-history":[{"count":4,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/623\/revisions"}],"predecessor-version":[{"id":110384,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/623\/revisions\/110384"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=623"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=623"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=623"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}