{"id":308789,"date":"2024-05-20T21:10:04","date_gmt":"2024-05-20T13:10:04","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/308789.html"},"modified":"2024-05-20T21:10:33","modified_gmt":"2024-05-20T13:10:33","slug":"java-%e4%bb%a3%e7%90%86%e6%a8%a1%e5%bc%8f%e6%80%8e%e4%b9%88%e5%ae%9e%e7%8e%b0","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/308789.html","title":{"rendered":"java \u4ee3\u7406\u6a21\u5f0f\u600e\u4e48\u5b9e\u73b0"},"content":{"rendered":"

\"java<\/p>\n

\u4ee3\u7406\u6a21\u5f0f\uff08Proxy Pattern\uff09\u5728Java\u4e2d\u662f\u4e00\u79cd\u7ed3\u6784\u578b\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5728\u4e0d\u6539\u53d8\u5176\u539f\u6709\u7c7b\u7684\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u5bf9\u67d0\u4e2a\u5bf9\u8c61\u63d0\u4f9b\u4e00\u4e2a\u66ff\u4ee3\u54c1\u6216\u5360\u4f4d\u7b26<\/strong>\uff0c\u4ee5\u63a7\u5236\u5bf9\u8fd9\u4e2a\u5bf9\u8c61\u7684\u8bbf\u95ee\u3002\u4ee3\u7406\u6a21\u5f0f\u6709\u4e09\u79cd\u7c7b\u578b\uff1a\u9759\u6001\u4ee3\u7406\u3001\u52a8\u6001\u4ee3\u7406\uff08\u5206\u4e3aJDK\u52a8\u6001\u4ee3\u7406\u548cCGLIB\u52a8\u6001\u4ee3\u7406\uff09\u548cJava\u5b57\u8282\u7801\u5b9e\u73b0\u7684\u4ee3\u7406\uff08\u5982\u4f7f\u7528ASM\uff09\u3002\u5728\u9759\u6001\u4ee3\u7406\u4e2d<\/strong>\uff0c\u6211\u4eec\u4f1a\u81ea\u5df1\u5b9a\u4e49\u4e00\u4e2a\u4ee3\u7406\u7c7b\uff0c\u8fd9\u4e2a\u4ee3\u7406\u7c7b\u4f1a\u5b9e\u73b0\u548c\u539f\u59cb\u5bf9\u8c61\u76f8\u540c\u7684\u63a5\u53e3\uff0c\u5e76\u5728\u5185\u90e8\u6301\u6709\u4e00\u4e2a\u5bf9\u771f\u5b9e\u5bf9\u8c61\u7684\u5f15\u7528\uff0c\u901a\u8fc7\u91cd\u5199\u63a5\u53e3\u4e2d\u5b9a\u4e49\u7684\u65b9\u6cd5\u6765\u6269\u5c55\u6216\u8005\u63a7\u5236\u5bf9\u88ab\u4ee3\u7406\u5bf9\u8c61\u7684\u8bbf\u95ee\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4ee3\u7406\u6a21\u5f0f\u7684\u6982\u5ff5<\/strong><\/h3>\n<\/p>\n

\u4ee3\u7406\u6a21\u5f0f\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u4ee3\u7406\u5bf9\u8c61\uff0c\u7528\u8fd9\u4e2a\u4ee3\u7406\u5bf9\u8c61\u6765\u4ee3\u8868\u771f\u5b9e\u5bf9\u8c61\u3002\u5ba2\u6237\u7aef\u4e0d\u76f4\u63a5\u4e0e\u771f\u5b9e\u5bf9\u8c61\u4ea4\u4e92\uff0c\u800c\u662f\u901a\u8fc7\u4ee3\u7406\u5bf9\u8c61\u6765\u8fdb\u884c\u95f4\u63a5\u4ea4\u4e91\u3002\u4ee3\u7406\u5bf9\u8c61\u63a7\u5236\u4e86\u5bf9\u771f\u5b9e\u5bf9\u8c61\u7684\u8bbf\u95ee\uff0c\u5e76\u53ef\u4ee5\u5728\u6b64\u8fc7\u7a0b\u4e2d\u6dfb\u52a0\u4e00\u4e9b\u7279\u5b9a\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u4ee3\u7406\u6a21\u5f0f\u7684\u4f18\u52bf<\/strong><\/h3>\n<\/p>\n

\u964d\u4f4e\u7cfb\u7edf\u7684\u8026\u5408\u5ea6<\/strong><\/h4>\n<\/p>\n

\u901a\u8fc7\u4f7f\u7528\u4ee3\u7406\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5206\u79bb\u771f\u5b9e\u5bf9\u8c61\u7684\u5b9e\u73b0\u548c\u5ba2\u6237\u7aef\u7684\u4f7f\u7528\uff0c\u4ece\u800c\u964d\u4f4e\u7cfb\u7edf\u7684\u8026\u5408\u5ea6\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u7075\u6d3b\u6027\u3002<\/p>\n<\/p>\n

\u589e\u5f3a\u5b89\u5168\u6027\u548c\u529f\u80fd<\/strong><\/h4>\n<\/p>\n

\u4ee3\u7406\u53ef\u4ee5\u5728\u6267\u884c\u771f\u5b9e\u5bf9\u8c61\u7684\u64cd\u4f5c\u524d\u540e\uff0c\u6dfb\u52a0\u5b89\u5168\u68c0\u67e5\u6216\u5176\u4ed6\u529f\u80fd\u589e\u5f3a\uff0c\u4f8b\u5982\u5ef6\u8fdf\u521d\u59cb\u5316\u3001\u65e5\u5fd7\u8bb0\u5f55\u3001\u8bbf\u95ee\u63a7\u5236\u7b49\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u9759\u6001\u4ee3\u7406\u7684\u5b9e\u73b0<\/strong><\/h3>\n<\/p>\n

\u5b9a\u4e49\u63a5\u53e3<\/strong><\/h4>\n<\/p>\n

\u9996\u5148\u5b9a\u4e49\u4e00\u4e2a\u63a5\u53e3\uff0c\u5b83\u58f0\u660e\u4e86\u4f60\u60f3\u4ee3\u7406\u7684\u7c7b\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

public interface Subject {<\/p>\n
    void request();<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5b9e\u73b0\u771f\u5b9e\u5bf9\u8c61<\/strong><\/h4>\n<\/p>\n
\u7136\u540e\u6709\u4e00\u4e2a\u771f\u5b9e\u5bf9\u8c61\u7c7b\uff0c\u5b9e\u73b0\u4e86\u8fd9\u4e2a\u63a5\u53e3\u3002<\/p>\n<\/p>\n
public class RealSubject implements Subject {<\/p>\n
    @Override<\/p>\n
    public void request() {<\/p>\n
        System.out.println("\u771f\u5b9e\u5bf9\u8c61\u7684\u8bf7\u6c42\u5904\u7406\u3002");<\/p>\n
    }<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u521b\u5efa\u4ee3\u7406\u7c7b<\/strong><\/h4>\n<\/p>\n
\u63a5\u7740\u5b9a\u4e49\u4e00\u4e2a\u4ee3\u7406\u7c7b\uff0c\u540c\u6837\u5b9e\u73b0Subject\u63a5\u53e3\uff0c\u5e76\u6301\u6709\u4e00\u4e2a\u5bf9\u771f\u5b9e\u5bf9\u8c61\u7684\u5f15\u7528\u3002<\/p>\n<\/p>\n
public class Proxy implements Subject {<\/p>\n
    private Subject realSubject;<\/p>\n
    public Proxy(Subject realSubject) {<\/p>\n
        this.realSubject = realSubject;<\/p>\n
    }<\/p>\n
    @Override<\/p>\n
    public void request() {<\/p>\n
        preRequest();<\/p>\n
        realSubject.request();<\/p>\n
        postRequest();<\/p>\n
    }<\/p>\n
    private void preRequest() {<\/p>\n
        System.out.println("\u8c03\u7528\u524d\u7684\u5904\u7406\u3002");<\/p>\n
    }<\/p>\n
    private void postRequest() {<\/p>\n
        System.out.println("\u8c03\u7528\u540e\u7684\u5904\u7406\u3002");<\/p>\n
    }<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5ba2\u6237\u7aef\u8c03\u7528<\/strong><\/h4>\n<\/p>\n
\u6700\u540e\uff0c\u5728\u5ba2\u6237\u7aef\u4e2d\u4f7f\u7528\u4ee3\u7406\u5bf9\u8c61\u5b8c\u6210\u5de5\u4f5c\u3002<\/p>\n<\/p>\n
public class Client {<\/p>\n
    public static void mAI<\/a>n(String[] args) {<\/p>\n
        Subject realSubject = new RealSubject();<\/p>\n
        Subject proxy = new Proxy(realSubject);<\/p>\n
        proxy.request();<\/p>\n
    }<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001JDK\u52a8\u6001\u4ee3\u7406\u7684\u5b9e\u73b0<\/strong><\/h3>\n<\/p>\n
JDK\u63d0\u4f9b\u7684\u52a8\u6001\u4ee3\u7406\u4e3b\u8981\u6d89\u53ca\u4e24\u4e2a\u7c7b\uff1aProxy<\/code>\u548cInvocationHandler<\/code>\u3002<\/p>\n<\/p>\n
\u5b9a\u4e49InvocationHandler<\/strong><\/h4>\n<\/p>\n
\u9700\u8981\u5b9a\u4e49\u4e00\u4e2aInvocationHandler<\/code>\uff0c\u5728\u8fd9\u4e2aInvocationHandler<\/code>\u5b9e\u73b0\u7c7b\u4e2d\u6307\u660e\u4ee3\u7406\u7684\u903b\u8f91\u3002<\/p>\n<\/p>\n
public class DynamicProxyHandler implements InvocationHandler {<\/p>\n
    private Object subject;<\/p>\n
    public DynamicProxyHandler(Object subject) {<\/p>\n
        this.subject = subject;<\/p>\n
    }<\/p>\n
    @Override<\/p>\n
    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {<\/p>\n
        preRequest();<\/p>\n
        Object result = method.invoke(subject, args);<\/p>\n
        postRequest();<\/p>\n
        return result;<\/p>\n
    }<\/p>\n
    private void preRequest() {<\/p>\n
        System.out.println("\u8c03\u7528\u524d\u7684\u5904\u7406\u3002");<\/p>\n
    }<\/p>\n
    private void postRequest() {<\/p>\n
        System.out.println("\u8c03\u7528\u540e\u7684\u5904\u7406\u3002");<\/p>\n
    }<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u521b\u5efa\u52a8\u6001\u4ee3\u7406\u5bf9\u8c61<\/strong><\/h4>\n<\/p>\n
\u4f7f\u7528Proxy.newProxyInstance<\/code>\u65b9\u6cd5\u521b\u5efa\u4ee3\u7406\u5bf9\u8c61\u3002<\/p>\n<\/p>\n
public class Client {<\/p>\n
    public static void main(String[] args) {<\/p>\n
        Subject realSubject = new RealSubject();<\/p>\n
        InvocationHandler handler = new DynamicProxyHandler(realSubject);<\/p>\n
        Subject proxyInstance = (Subject) Proxy.newProxyInstance(<\/p>\n
            realSubject.getClass().getClassLoader(),<\/p>\n
            realSubject.getClass().getInterfaces(),<\/p>\n
            handler<\/p>\n
        );<\/p>\n
        proxyInstance.request();<\/p>\n
    }<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001CGLIB\u52a8\u6001\u4ee3\u7406\u7684\u5b9e\u73b0<\/strong><\/h3>\n<\/p>\n
\u5f53\u65e0\u6cd5\u4f7f\u7528JDK\u52a8\u6001\u4ee3\u7406\uff08\u4f8b\u5982\u88ab\u4ee3\u7406\u7c7b\u6ca1\u6709\u5b9e\u73b0\u63a5\u53e3\uff09\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528CGLIB\u5e93\u6765\u5b9e\u73b0\u52a8\u6001\u4ee3\u7406\u3002CGLIB\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u9ad8\u6027\u80fd\u4ee3\u7801\u751f\u6210\u5e93\uff0c\u7528\u4e8e\u5728\u8fd0\u884c\u65f6\u6269\u5c55Java\u7c7b\u548c\u5b9e\u73b0\u6307\u5b9a\u63a5\u53e3\u3002<\/p>\n<\/p>\n
\u5b9a\u4e49CGLIB\u4ee3\u7406\u5de5\u5382<\/strong><\/h4>\n<\/p>\n
\u521b\u5efa\u4e00\u4e2a\u4ee3\u7406\u5de5\u5382\u6765\u751f\u6210\u4ee3\u7406\u5bf9\u8c61\u3002<\/p>\n<\/p>\n
public class CglibProxyFactory implements MethodInterceptor {<\/p>\n
    private Object target;<\/p>\n
    public CglibProxyFactory(Object target) {<\/p>\n
        this.target = target;<\/p>\n
    }<\/p>\n
    public Object getProxyInstance() {<\/p>\n
        Enhancer enhancer = new Enhancer();<\/p>\n
        enhancer.setSuperclass(target.getClass());<\/p>\n
        enhancer.setCallback(this);<\/p>\n
        return enhancer.create();<\/p>\n
    }<\/p>\n
    @Override<\/p>\n
    public Object intercept(Object obj, Method method, Object[] args, MethodProxy proxy) throws Throwable {<\/p>\n
        preRequest();<\/p>\n
        Object returnValue = method.invoke(target, args);<\/p>\n
        postRequest();<\/p>\n
        return returnValue;<\/p>\n
    }<\/p>\n
    private void preRequest() {<\/p>\n
        System.out.println("CGLIB\u4ee3\u7406\u524d\u7684\u5904\u7406\u3002");<\/p>\n
    }<\/p>\n
    private void postRequest() {<\/p>\n
        System.out.println("CGLIB\u4ee3\u7406\u540e\u7684\u5904\u7406\u3002");<\/p>\n
    }<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4f7f\u7528\u4ee3\u7406\u5bf9\u8c61<\/strong><\/h4>\n<\/p>\n
\u4f7f\u7528\u4ee3\u7406\u5de5\u5382\u751f\u6210\u4e00\u4e2a\u4ee3\u7406\u5bf9\u8c61\uff0c\u5e76\u6267\u884c\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
public class Client {<\/p>\n
    public static void main(String[] args) {<\/p>\n
        RealSubject realSubject = new RealSubject();<\/p>\n
        CglibProxyFactory proxyFactory = new CglibProxyFactory(realSubject);<\/p>\n
        RealSubject proxy = (RealSubject) proxyFactory.getProxyInstance();<\/p>\n
        proxy.request();<\/p>\n
    }<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001Java\u5b57\u8282\u7801\u5b9e\u73b0\u7684\u4ee3\u7406<\/strong><\/h3>\n<\/p>\n
\u4f7f\u7528\u5982ASM\u8fd9\u7c7b\u5b57\u8282\u7801\u64cd\u4f5c\u5e93\uff0c\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u751f\u6210\u7c7b\u6216\u8005\u589e\u5f3a\u5df2\u6709\u7c7b\u7684\u529f\u80fd\u3002\u8fd9\u79cd\u65b9\u6cd5\u76f8\u5bf9\u590d\u6742\uff0c\u9700\u8981\u6df1\u5165\u4e86\u89e3Java\u5b57\u8282\u7801\u6280\u672f\u3002<\/p>\n<\/p>\n
\u521b\u5efa\u5b57\u8282\u7801\u4ee3\u7406<\/strong><\/h4>\n<\/p>\n
\u9996\u5148\u9700\u8981\u4e86\u89e3Java\u5b57\u8282\u7801\u7684\u7ed3\u6784\u548c\u6307\u4ee4\uff0c\u7136\u540e\u901a\u8fc7ASM\u7684API\u6765\u52a8\u6001\u6784\u9020\u548c\u4fee\u6539\u7c7b\u3002<\/p>\n<\/p>\n
\/\/ ASM\u7684\u4f7f\u7528\u8fc7\u7a0b\u8f83\u4e3a\u590d\u6742\uff0c\u8fd9\u91cc\u4ec5\u4f5c\u7b80\u5355\u8bf4\u660e\uff0c\u4e0d\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5b9e\u73b0\u529f\u80fd\u589e\u5f3a<\/strong><\/h4>\n<\/p>\n
\u901a\u8fc7\u5b57\u8282\u7801\u64cd\u4f5c\uff0c\u53ef\u4ee5\u5728\u4e0d\u4fee\u6539\u539f\u6709\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\uff0c\u589e\u52a0\u65b9\u6cd5\u7684\u8c03\u7528\u524d\u540e\u903b\u8f91\uff0c\u5b9e\u73b0\u529f\u80fd\u7684\u589e\u5f3a\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u5c0f\u7ed3<\/strong><\/h3>\n<\/p>\n
\u4ee3\u7406\u6a21\u5f0f\u662f\u4e00\u79cd\u975e\u5e38\u6709\u7528\u7684\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5176\u5728Java\u4e2d\u7684\u5b9e\u73b0\u4e3b\u8981\u6709\u9759\u6001\u4ee3\u7406\u548c\u4e24\u79cd\u52a8\u6001\u4ee3\u7406\u65b9\u5f0f\u3002\u9759\u6001\u4ee3\u7406\u4e00\u822c\u9002\u7528\u4e8e\u4ee3\u7406\u7c7b\u76f8\u5bf9\u56fa\u5b9a\u4e14\u6570\u91cf\u4e0d\u5927\u7684\u573a\u666f\u3002\u52a8\u6001\u4ee3\u7406\u5219\u66f4\u52a0\u7075\u6d3b\uff0c\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u521b\u5efa\u4ee3\u7406\u7c7b\uff0c\u800c\u4e14\u4e0d\u9700\u8981\u4e3a\u771f\u5b9e\u5bf9\u8c61\u548c\u4ee3\u7406\u5bf9\u8c61\u63d0\u4f9b\u5171\u540c\u7684\u63a5\u53e3\u3002CGLIB\u52a8\u6001\u4ee3\u7406\u66f4\u9002\u7528\u4e8e\u5bf9\u7c7b\u4ee3\u7406\u7684\u573a\u666f\uff0c\u7279\u522b\u662f\u5f53\u88ab\u4ee3\u7406\u5bf9\u8c61\u6ca1\u6709\u5b9e\u73b0\u4efb\u4f55\u63a5\u53e3\u65f6\u3002\u8fd9\u4e9b\u4ee3\u7406\u6a21\u5f0f\u7684\u4f7f\u7528\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u6784\u5efa\u66f4\u52a0\u7075\u6d3b\u548c\u5f3a\u5927\u7684\u7cfb\u7edf\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
Q1\uff1aJava\u4e2d\u7684\u4ee3\u7406\u6a21\u5f0f\u662f\u4ec0\u4e48\uff1f<\/strong>
\nA1\uff1aJava\u4e2d\u7684\u4ee3\u7406\u6a21\u5f0f\u662f\u4e00\u79cd\u7ed3\u6784\u578b\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u5b83\u5141\u8bb8\u4e00\u4e2a\u5bf9\u8c61\uff08\u4ee3\u7406\u5bf9\u8c61\uff09\u4ee3\u8868\u53e6\u4e00\u4e2a\u5bf9\u8c61\uff08\u88ab\u4ee3\u7406\u5bf9\u8c61\uff09\u8fdb\u884c\u64cd\u4f5c\u3002\u4ee3\u7406\u5bf9\u8c61\u53ef\u4ee5\u901a\u8fc7\u5728\u4e0d\u5f71\u54cd\u539f\u59cb\u5bf9\u8c61\u7684\u60c5\u51b5\u4e0b\uff0c\u5bf9\u5176\u8fdb\u884c\u4e00\u4e9b\u989d\u5916\u7684\u63a7\u5236\u548c\u7ba1\u7406\u3002<\/p>\n
Q2\uff1aJava\u4e2d\u7684\u4ee3\u7406\u6a21\u5f0f\u6709\u54ea\u4e9b\u5b9e\u73b0\u65b9\u5f0f\uff1f<\/strong>
\nA2\uff1aJava\u4e2d\u7684\u4ee3\u7406\u6a21\u5f0f\u5e38\u89c1\u7684\u5b9e\u73b0\u65b9\u5f0f\u6709\u4e24\u79cd\uff1a\u9759\u6001\u4ee3\u7406\u548c\u52a8\u6001\u4ee3\u7406\u3002\u9759\u6001\u4ee3\u7406\u901a\u8fc7\u5728\u4ee3\u7406\u7c7b\u4e2d\u5b9a\u4e49\u4e0e\u88ab\u4ee3\u7406\u5bf9\u8c61\u76f8\u540c\u7684\u63a5\u53e3\uff0c\u5e76\u8fdb\u884c\u76f8\u5173\u65b9\u6cd5\u7684\u5b9e\u73b0\u3002\u800c\u52a8\u6001\u4ee3\u7406\u5219\u662f\u5728\u8fd0\u884c\u65f6\u901a\u8fc7Java\u7684\u53cd\u5c04\u673a\u5236\u52a8\u6001\u751f\u6210\u4ee3\u7406\u7c7b\uff0c\u5728\u4ee3\u7406\u7c7b\u4e2d\u5904\u7406\u6307\u5b9a\u7684\u65b9\u6cd5\u8c03\u7528\u3002<\/p>\n
Q3\uff1a\u5982\u4f55\u5728Java\u4e2d\u5b9e\u73b0\u4ee3\u7406\u6a21\u5f0f\uff1f<\/strong>
\nA3\uff1a\u5728Java\u4e2d\u5b9e\u73b0\u4ee3\u7406\u6a21\u5f0f\u7684\u5173\u952e\u662f\u5b9a\u4e49\u63a5\u53e3\u4e0e\u5b9e\u73b0\u4ee3\u7406\u7c7b\u3002\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u63a5\u53e3\u6765\u5b9a\u4e49\u88ab\u4ee3\u7406\u5bf9\u8c61\u548c\u4ee3\u7406\u5bf9\u8c61\u5171\u540c\u62e5\u6709\u7684\u65b9\u6cd5\u3002\u7136\u540e\uff0c\u521b\u5efa\u4e00\u4e2a\u5b9e\u73b0\u4e86\u8be5\u63a5\u53e3\u7684\u88ab\u4ee3\u7406\u7c7b\uff0c\u5e76\u5728\u5176\u4e2d\u5b9e\u73b0\u5177\u4f53\u7684\u4e1a\u52a1\u903b\u8f91\u3002\u63a5\u7740\uff0c\u5728\u4ee3\u7406\u7c7b\u4e2d\u5b9e\u73b0\u4e0e\u63a5\u53e3\u4e2d\u65b9\u6cd5\u76f8\u540c\u7684\u65b9\u6cd5\uff0c\u5e76\u8c03\u7528\u88ab\u4ee3\u7406\u5bf9\u8c61\u7684\u76f8\u5e94\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u4ee3\u7406\u7c7b\u4e2d\u8fdb\u884c\u4e00\u4e9b\u989d\u5916\u7684\u5904\u7406\u3002\u6700\u540e\uff0c\u901a\u8fc7\u521b\u5efa\u4ee3\u7406\u5bf9\u8c61\u6765\u4f7f\u7528\u4ee3\u7406\u7c7b\uff0c\u5c06\u9700\u8981\u88ab\u4ee3\u7406\u7684\u5bf9\u8c61\u4f20\u5165\u4ee3\u7406\u5bf9\u8c61\u4e2d\uff0c\u8fd9\u6837\u4ee3\u7406\u5bf9\u8c61\u5c31\u53ef\u4ee5\u4ee3\u66ff\u88ab\u4ee3\u7406\u5bf9\u8c61\u8fdb\u884c\u64cd\u4f5c\u4e86\u3002<\/p>\n
\u6ce8\u610f\uff1a\u5728\u5b9e\u73b0\u4ee3\u7406\u6a21\u5f0f\u65f6\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u9009\u62e9\u662f\u5426\u4f7f\u7528\u52a8\u6001\u4ee3\u7406\uff0c\u9759\u6001\u4ee3\u7406\u4e00\u822c\u9002\u5408\u4e8e\u4ee3\u7406\u5bf9\u8c61\u6570\u91cf\u8f83\u5c11\u7684\u60c5\u51b5\uff0c\u800c\u52a8\u6001\u4ee3\u7406\u5219\u9002\u7528\u4e8e\u4ee3\u7406\u5bf9\u8c61\u6570\u91cf\u8f83\u591a\u6216\u9700\u8981\u9891\u7e41\u53d8\u52a8\u7684\u60c5\u51b5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4ee3\u7406\u6a21\u5f0f\uff08Proxy Pattern\uff09\u5728Java\u4e2d\u662f\u4e00\u79cd\u7ed3\u6784\u578b\u8bbe\u8ba1\u6a21\u5f0f\uff0c\u53ef\u4ee5\u5728\u4e0d\u6539\u53d8\u5176\u539f\u6709\u7c7b\u7684\u4ee3\u7801\u7684\u60c5\u51b5\u4e0b\u5bf9\u67d0 […]","protected":false},"author":3,"featured_media":308826,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/308789"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=308789"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/308789\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/308826"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=308789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=308789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=308789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}