{"id":35114,"date":"2025-05-02T15:50:46","date_gmt":"2025-05-02T07:50:46","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/35114.html"},"modified":"2025-05-02T15:50:46","modified_gmt":"2025-05-02T07:50:46","slug":"%e8%ae%be%e8%ae%a1%e5%85%b3%e7%b3%bb%e5%9e%8b%e6%95%b0%e6%8d%ae%e5%ba%93%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e5%86%85%e9%83%a8%e5%b7%a5%e4%bd%9c%e9%80%bb%e8%be%91","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/35114.html","title":{"rendered":"\u8bbe\u8ba1\u5173\u7cfb\u578b\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u5185\u90e8\u5de5\u4f5c\u903b\u8f91"},"content":{"rendered":"<h4>\u4e00\u3001\u4e3b\u8981\u76ee\u7684<\/h4>\n<p>\u00a0 \u00a0 \u00a0 \u00a0\u8bbe\u8ba1\u5173\u7cfb\u578b\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u5185\u90e8\u6267\u884c\u903b\u8f91\u3002<\/p>\n<p>\u00a0<\/p>\n<h4>\u4e8c\u3001\u5177\u4f53\u903b\u8f91<\/h4>\n<p>\u00a0(\u4e00)\u670d\u52a1\u5668\u4e3b\u8fdb\u7a0b\u7684\u903b\u8f91<\/p>\n<p>\/\/ \u521d\u59cb\u5316<\/p>\n<p>init();<\/p>\n<p>\u00a0<\/p>\n<p>\/\/ \u5f00\u59cb\u76d1\u542c\u5173\u95ed\u4fe1\u53f7\u7ebf\u7a0b<\/p>\n<p>openCloseSignalThread();<\/p>\n<p>\u00a0<\/p>\n<p>\/\/ \u5faa\u73af\u5904\u7406&#xff0c;\u5982\u679c\u8fd0\u884c\u4e3a\u771f<\/p>\n<p>while(isRun.get()){<\/p>\n<p>\u00a0 \u00a0 \u00a0\/\/ \u963b\u585e\u83b7\u53d6\u5ba2\u6237\u7aef\u8fde\u63a5<\/p>\n<p>\u00a0 \u00a0 \u00a0Socket sock &#061; server.accept();<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0\/\/ \u5f00\u542f\u5b50\u7ebf\u7a0b\u5904\u7406<\/p>\n<p>\u00a0 \u00a0 \u00a0Thread temp &#061; new Thread(new Task(sock));<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0temp.start();<\/p>\n<p>}<\/p>\n<p>\u00a0<\/p>\n<p>\/\/ \u9500\u6bc1\u8d44\u6e90<\/p>\n<p>destroy();<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0(\u4e8c)\u76d1\u542c\u5173\u95ed\u4fe1\u53f7\u7ebf\u7a0b\u7684\u903b\u8f91<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u6536\u5230\u5ba2\u6237\u7aef\u7684\u5173\u95ed\u4fe1\u53f7&#xff0c;\u5c31\u7acb\u523b\u5173\u95ed\u4e3b\u7ebf\u7a0b\u3002<\/p>\n<p>while(true){<\/p>\n<p>\u00a0 \u00a0 \u00a0 \/\/ \u6536\u542c\u4e00\u4e2aTCP\u5ba2\u6237\u7aef\u8fde\u63a5<\/p>\n<p>\u00a0 \u00a0 \u00a0 Socket socket &#061; server.accept();<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \/\/ \u8bbe\u7f6e\u8bfb\u53d6\u8d85\u65f6\u4e3a2000\u6beb\u79d2<\/p>\n<p>\u00a0 \u00a0 \u00a0 socket.setSoTimeout(2000);<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 try{<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u83b7\u5f97\u8f93\u5165\u6d41<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0InputStream input &#061; socket.getInputStream();<\/p>\n<p>\u00a0 \u00a0\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u8bfb\u53d6\u5173\u95ed\u6570\u636e\u5305<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 byte[] data &#061; getClosePacket(input);<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u9a8c\u8bc1\u6743\u9650&#xff0c;\u5224\u65ad\u4e3a\u5173\u95ed\u4fe1\u53f7<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0if(hasPermision(data) &amp;&amp; isClose(data)) {<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u505c\u6b62\u4e3b\u8fdb\u7a0b&#xff0c;\u5173\u95ed\u4e3b\u8fdb\u7a0b\u7684\u670d\u52a1\u7aef\u5957\u63a5\u5b57<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0isRun.set(false);<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0main.close();<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0socket.close();<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0break;<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }<\/p>\n<p>\u00a0 \u00a0 \u00a0 } catch(IOException e) {<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u5173\u95ed\u5ba2\u6237\u7aef\u5957\u63a5\u5b57<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 socket.close();<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 } finally {<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u5982\u679c\u4e0d\u4e3a\u7a7a&#xff0c;\u5e76\u4e14\u6ca1\u6709\u5173\u95ed<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 if(socket !&#061; null &amp;&amp; !socket.isClosed()){<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0socket.close();<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0}<\/p>\n<p>\u00a0 \u00a0 \u00a0 }<\/p>\n<p>}<\/p>\n<p>\u00a0<\/p>\n<p>\/\/ \u5173\u95ed\u81ea\u5df1\u7684\u5957\u63a5\u5b57<\/p>\n<p>server.close();<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0(\u4e09)\u5904\u7406\u4efb\u52a1\u7ebf\u7a0b\u7684\u903b\u8f91<\/p>\n<p>public class Task implements Runnable{<\/p>\n<p>\u00a0 \u00a0 private Socket socket;<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 public Task(Socket socket){<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0this.socket &#061; socket;<\/p>\n<p>\u00a0 \u00a0 }<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 &#064;Override<\/p>\n<p>\u00a0 \u00a0 public void run(){<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0InputStream input &#061; socket.getInputStream();<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 OutputStream output &#061; socket.getOutputStream();<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u53d1\u7ed9\u5ba2\u6237\u7aef\u63e1\u624b\u5305<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0sendHandshake(output);<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u8bfb\u53d6\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u767b\u5f55\u5305<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0LoginInfo info &#061; readLogin(input);<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0\u00a0 \/\/ \u5224\u65ad\u662f\u5426\u767b\u5f55\u6210\u529f<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0if(login(info)){<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u56de\u590d\u767b\u5f55\u6210\u529f<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0reply(output, 100, &#034;login ok&#034;);<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u8fdb\u5165\u5faa\u73af<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 while(true){<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u8bfb\u53d6SQL\u8bed\u53e5<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0String sql &#061; readSQL(input);<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u5982\u679c\u662f\u9000\u51fa<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0if(sql.equals(&#034;exit&#034;){<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u8df3\u51fa\u5faa\u73af<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0break;<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } else {<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u5224\u65ad\u662f\u5426\u6709\u6743\u9650\u6267\u884c<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0if(hasPermission(sql, info)){<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u6267\u884c\u8bed\u53e5&#xff0c;\u8fd4\u56de\u7ed3\u679c<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Result result &#061; execute(sql);<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u56de\u590d\u6267\u884c\u7ed3\u679c<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 replyResult(output, result);<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0} else {<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\/\/ \u56de\u590d\u65e0\u6743\u9650<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0reply(output, 400, &#034;no\u00a0permission&#034;);<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0}<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0}<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0}<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 } else {<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u56de\u590d\u767b\u5f55\u5931\u8d25&#xff0c;\u7528\u6237\u540d\u6216\u8005\u5bc6\u7801\u4e0d\u5b58\u5728<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 reply(output,\u00a0 300,\u00a0 &#034;login fail, user or password incorrect.&#034;);<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 }<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \/\/ \u5173\u95ed\u6d41<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 input.close();<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 output.close();<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 socket.close();<\/p>\n<p>\u00a0 \u00a0 }<\/p>\n<p>}<\/p>\n<p>\u00a0<\/p>\n<h4>\u4e09\u3001\u4e3b\u8981\u96be\u70b9<\/h4>\n<p>\u00a0 \u00a01\u3001\u63e1\u624b\u5305\u7684\u683c\u5f0f<\/p>\n<p>\u00a0 \u00a02\u3001\u767b\u5f55\u5305\u7684\u683c\u5f0f<\/p>\n<p>\u00a0 \u00a03\u3001\u547d\u4ee4\u5305\u7684\u683c\u5f0f<\/p>\n<p>\u00a0 \u00a04\u3001\u7ed3\u679c\u5305\u7684\u683c\u5f0f<\/p>\n<p>\u00a0 \u00a05\u3001\u767b\u5f55\u9a8c\u8bc1&#xff0c;\u6743\u9650\u9a8c\u8bc1\u7684\u903b\u8f91<\/p>\n<p>\u00a0 \u00a06\u3001\u6267\u884cSQL\u8bed\u53e5\u7684\u65b9\u6cd5\u903b\u8f91<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb849\u6b21\uff0c\u70b9\u8d5e5\u6b21\uff0c\u6536\u85cf17\u6b21\u3002\/ \u56de\u590d\u65e0\u6743\u9650reply(output, 100, &quot;login ok&quot;);\/\/ \u6267\u884c\u8bed\u53e5\uff0c\u8fd4\u56de\u7ed3\u679c\u3002\/\/ \u505c\u6b62\u4e3b\u8fdb\u7a0b\uff0c\u5173\u95ed\u4e3b\u8fdb\u7a0b\u7684\u670d\u52a1\u7aef\u5957\u63a5\u5b57\u3002\/\/ \u5224\u65ad\u662f\u5426\u6709\u6743\u9650\u6267\u884c\u3002\/\/ \u56de\u590d\u767b\u5f55\u5931\u8d25\uff0c\u7528\u6237\u540d\u6216\u8005\u5bc6\u7801\u4e0d\u5b58\u5728\u3002\u6536\u5230\u5ba2\u6237\u7aef\u7684\u5173\u95ed\u4fe1\u53f7\uff0c\u5c31\u7acb\u523b\u5173\u95ed\u4e3b\u7ebf\u7a0b\u3002\/\/ \u8bfb\u53d6SQL\u8bed\u53e5\u3002\/\/ 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