{"id":31745,"date":"2023-03-08T18:57:05","date_gmt":"2022-12-04T21:44:31","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8java%e5%ae%9e%e7%8e%b0template-method%e6%a8%a1%e5%bc%8f\/"},"modified":"2024-04-29T17:57:41","modified_gmt":"2024-04-29T09:57:41","slug":"%e4%bd%bf%e7%94%a8java%e5%ae%9e%e7%8e%b0template-method%e6%a8%a1%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8java%e5%ae%9e%e7%8e%b0template-method%e6%a8%a1%e5%bc%8f\/","title":{"rendered":"\u4f7f\u7528Java\u5b9e\u73b0Template Method\u6a21\u5f0f"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u6211\u5c06\u603b\u7ed3\u6211\u9605\u8bfb\u7684\u300a\u589e\u8865\u6539\u8ba2\u7248 Java\u8bed\u8a00\u5b66\u4e60\u8bbe\u8ba1\u6a21\u5f0f\u5165\u95e8\u300b\uff0c\u8be5\u4e66\u4ecb\u7ecd\u4e86GoF\u7684\u8bbe\u8ba1\u6a21\u5f0f\u3002<\/p>\n

\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f<\/h1>\n

TemplateMethod\u662f\u4e00\u79cd\u8bbe\u8ba1\u6a21\u5f0f<\/h2>\n

\u5728 TemplateMethod \u6a21\u5f0f\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7\u5728\u8d85\u7c7b\u4e2d\u5b9a\u4e49\u5904\u7406\u7684\u9aa8\u67b6\uff0c\u7136\u540e\u5728\u5b50\u7c7b\u4e2d\u5b9a\u4e49\u5177\u4f53\u7684\u5b9e\u73b0\u6765\u5b9e\u73b0\u3002\u5176\u4e2d\uff0c\u5728\u8d85\u7c7b\u4e2d\u5b9a\u4e49\u5904\u7406\u7684\u9aa8\u67b6\u7684\u65b9\u6cd5\u88ab\u79f0\u4e3a TemplateMethod\u3002<\/p>\n

\u89d2\u8272\u4eae\u76f8<\/h2>\n
\"image.png\"<\/div>\n

\u62bd\u8c61\u7c7b<\/h3>\n

AbstractClass
\n\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u30af\u30e9\u30b9\u3067\u3059\u3002
\n\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u547c\u3073\u51fa\u3059\u30e1\u30bd\u30c3\u30c9\u306b\u3064\u3044\u3066\u3082\u5ba3\u8a00\u3092\u884c\u3044\u307e\u3059\u304c\u3001\u5b9f\u88c5\u306b\u3064\u3044\u3066\u306f\u30b5\u30d6\u30af\u30e9\u30b9\u306eConcreateClass\u3067\u884c\u3044\u307e\u3059\u3002
\n\u305d\u306e\u305f\u3081\u3001\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u4ee5\u5916\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u5b9e\u73b0\u7c7b<\/h3>\n

ConcreateClass
\n\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u547c\u3073\u51fa\u3055\u308c\u3066\u3044\u308b\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u30af\u30e9\u30b9\u3067\u3059\u3002
\n\u3053\u3053\u3067\u5b9f\u88c5\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u304c\u30b9\u30fc\u30d1\u30fc\u30af\u30e9\u30b9\u3067\u3042\u308bAbstractClass\u304b\u3089\u547c\u3073\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u5177\u9ad4\u4f8b\u5b50<\/h2>\n

\u4f5c\u4e3a\u5177\u4f53\u4f8b\uff0c\u6211\u5c06\u4ee5\u201c\u64cd\u4f5c\u624b\u518c\u201d\u3001\u201cA\u64cd\u4f5c\u624b\u518c\u201d\u548c\u201cB\u64cd\u4f5c\u624b\u518c\u201d\u6765\u8fdb\u884c\u89e3\u91ca\u3002<\/p>\n

\u62bd\u8c61\u7c7b<\/h3>\n

AbstractManual\u30af\u30e9\u30b9
\nAbstractManual(\u624b\u9806\u66f8)\u30af\u30e9\u30b9\u306f\u62bd\u8c61\u30af\u30e9\u30b9\u3067\u3001\u4f5c\u696d\u624b\u9806\u306e\u9aa8\u7d44\u307f\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002
\n\u3053\u3053\u3067\u306foperation()\u30e1\u30bd\u30c3\u30c9\u304c\u4f5c\u696d\u624b\u9806\u306e\u9aa8\u7d44\u307f\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u30e1\u30bd\u30c3\u30c9(templateMethod)\u306b\u306a\u308a\u307e\u3059\u3002
\n\u305d\u306e\u4ed6\u306estart()\u30e1\u30bd\u30c3\u30c9\u3001work()\u30e1\u30bd\u30c3\u30c9\u3001end()\u30e1\u30bd\u30c3\u30c9\u306b\u95a2\u3057\u3066\u306f\u5ba3\u8a00\u3092\u884c\u3044\u3001operation()\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u547c\u3073\u51fa\u3057\u3092\u884c\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u5b9f\u88c5\u306f\u884c\u306a\u3063\u3066\u304a\u3089\u305a\u3001\u5177\u4f53\u7684\u306a\u51e6\u7406\u306b\u3064\u3044\u3066\u306f\u30b5\u30d6\u30af\u30e9\u30b9\u306eOperationAManual.class\u3068OperationBManual.class\u3067\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n

package<\/span> templateMethod<\/span>;<\/span>\r\n\r\npublic<\/span> abstract<\/span> class<\/span> AbstractManual<\/span>{<\/span>\r\n    public<\/span> abstract<\/span> void<\/span> start<\/span>();<\/span>\r\n\r\n    public<\/span> abstract<\/span> void<\/span> work<\/span>();<\/span>\r\n\r\n    public<\/span> abstract<\/span> void<\/span> end<\/span>();<\/span>\r\n\r\n    public<\/span> final<\/span> void<\/span> operation<\/span>()<\/span> {<\/span>\r\n        start<\/span>();<\/span>\r\n        for<\/span> (<\/span>int<\/span> i<\/span> =<\/span> 0<\/span>;<\/span> i<\/span> <<\/span> 3<\/span>;<\/span> i<\/span>++)<\/span> {<\/span>\r\n            work<\/span>();<\/span>\r\n        }<\/span>\r\n        end<\/span>();<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5b9e\u73b0\u7c7b<\/h3>\n
OperationAManual\u30af\u30e9\u30b9
\n\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u306estart()\u3001work()\u3001end()\u3092\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002
\n\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u6587\u5b57\u3092\u53d7\u3051\u53d6\u308awork()\u30e1\u30bd\u30c3\u30c9\u3067\u51fa\u529b\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
package<\/span> templateMethod<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> OperationAManual<\/span> extends<\/span> AbstractManual<\/span> {<\/span>\r\n    private<\/span> char<\/span> ch<\/span>;<\/span>\r\n\r\n    public<\/span> OperationAManual<\/span>(<\/span>char<\/span> ch<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>ch<\/span> =<\/span> ch<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> void<\/span> start<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"<<\u4f5c\u696dA\u958b\u59cb>>\"<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> void<\/span> work<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>ch<\/span> +<\/span> \"\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\"<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> void<\/span> end<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"<<\u4f5c\u696dA\u7d42\u4e86>>\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
OperationBManual\u30af\u30e9\u30b9
\nOperationAManual.class\u3068\u540c\u69d8\u306b\u62bd\u8c61\u30e1\u30bd\u30c3\u30c9\u306estart()\u3001work()\u3001end()\u3092\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5b9f\u88c5\u306e\u5185\u5bb9\u306b\u3064\u3044\u3066\u306f\u7570\u306a\u3063\u3066\u3044\u307e\u3059\u3002
\n\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u6587\u5b57\u5217\u3092\u53d7\u3051\u53d6\u308a\u3001work()\u30e1\u30bd\u30c3\u30c9\u3067\u51fa\u529b\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
package<\/span> templateMethod<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> OperationBManual<\/span> extends<\/span> AbstractManual<\/span> {<\/span>\r\n    private<\/span> String<\/span> string<\/span>;<\/span>\r\n\r\n    public<\/span> OperationBManual<\/span>(<\/span>String<\/span> string<\/span>)<\/span> {<\/span>\r\n        this<\/span>.<\/span>string<\/span> =<\/span> string<\/span>;<\/span>\r\n    }<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> void<\/span> start<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"**\u4f5c\u696dB\u958b\u59cb**\"<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> void<\/span> work<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>string<\/span> +<\/span> \"\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\"<\/span>);<\/span>\r\n    }<\/span>\r\n\r\n    @Override<\/span>\r\n    public<\/span> void<\/span> end<\/span>()<\/span> {<\/span>\r\n        System<\/span>.<\/span>out<\/span>.<\/span>println<\/span>(<\/span>\"**\u4f5c\u696dB\u7d42\u4e86**\"<\/span>);<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u6267\u884c\u7c7b<\/h3>\n
Main\u30af\u30e9\u30b9
\nOperationAManual\u3068OperationBManual\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u3057\u3001TemplateMethod\u306eoperation()\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
package<\/span> templateMethod<\/span>;<\/span>\r\n\r\npublic<\/span> class<\/span> Main<\/span> {<\/span>\r\n    public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> {<\/span>\r\n        AbstractManual<\/span> d1<\/span> =<\/span> new<\/span> OperationAManual<\/span>(<\/span>'F'<\/span>);<\/span>\r\n        AbstractManual<\/span> d2<\/span> =<\/span> new<\/span> OperationBManual<\/span>(<\/span>\"HelloWorld\"<\/span>);<\/span>\r\n        d1<\/span>.<\/span>operation<\/span>();<\/span>\r\n        d2<\/span>.<\/span>operation<\/span>();<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u7ed3\u679c<\/h3>\n
\u6267\u884cMain.java\u7684\u7ed3\u679c\u5982\u4e0b\u6240\u793a\u3002
\n\u53ef\u4ee5\u786e\u8ba4\u8c03\u7528\u4e86\u76f8\u540c\u7684operation()\uff0c\u4f46\u8f93\u51fa\u7ed3\u679c\u4e0d\u540c\u3002<\/p>\n
<<\u4f5c\u696dA\u958b\u59cb>>\r\nF\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\r\nF\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\r\nF\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\r\n<<\u4f5c\u696dA\u7d42\u4e86>>\r\n**\u4f5c\u696dB\u958b\u59cb**\r\nHelloWorld\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\r\nHelloWorld\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\r\nHelloWorld\u3092\u51e6\u7406\u3057\u3066\u3044\u307e\u3059\r\n**\u4f5c\u696dB\u7d42\u4e86**\r\n<\/code><\/pre>\n
\u4f18\u70b9<\/h2>\n
\u901a\u8fc7\u4f7f\u7528TemplateMethod\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5c06\u5904\u7406\u7684\u6846\u67b6\u901a\u7528\u5316\u3002
\n\u8fd9\u6837\u4e00\u6765\uff0c\u591a\u4e2a\u5de5\u4f5c\u8005\u53ef\u4ee5\u5404\u81ea\u57fa\u4e8e\u5904\u7406\u7684\u6846\u67b6\u8fdb\u884c\u521b\u5efa\uff0c\u9632\u6b62\u4e86\u5e94\u8be5\u7edf\u4e00\u7684\u90e8\u5206\u6ca1\u6709\u7edf\u4e00\u7684\u60c5\u51b5\u3002<\/p>\n
\u603b\u7ed3<\/h1>\n
\u6211\u5b66\u4e60\u4e86\u5173\u4e8e\u89c4\u5b9a\u5904\u7406\u6846\u67b6\u7684Template Method\u6a21\u5f0f\u3002\u5982\u679c\u65b9\u4fbf\u7684\u8bdd\uff0c\u8bf7\u53c2\u8003\u4ee5\u4e0b\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n
    TemplateMethod\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/ul>\n
    \u6b64\u5916\uff0c\u5173\u4e8e\u5176\u4ed6\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u4e0b\u9762\u4e5f\u603b\u7ed3\u4e86\u4e00\u4e9b\uff0c\u8bf7\u53c2\u8003\u3002<\/p>\n
      [\u968f\u6642\u66f4\u65b0]Java\u3067\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u307e\u3068\u3081<\/ul>\n
      \u5f15\u7528\u6587\u732e<\/h1>\n
        \u5897\u88dc\u6539\u8a02\u7248 Java\u8a00\u8a9e\u3067\u5b66\u3076\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u5165\u9580<\/ul>\n","protected":false},"excerpt":{"rendered":"
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