利用 Java 發送 HTTP POST 請求 (Using Java to send HTTP Request with POST method)

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import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStreamWriter; import java.net.URL; import java.net.URLConnection;

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public static void sentHttpPostRequest(String url, String args) throws IOException {     URLConnection connection = new URL(url).openConnection();     // by default, connection with enable input, but won't enable output     connection.setDoOutput(true);     //connection.setDoInput(true);     OutputStreamWriter out = new OutputStreamWriter(connection.getOutputStream());     out.write(args);     out.flush();     out.close();     /*      * If the page has respond, uncomment these statements the retrieve the respond data     InputStream is = connection.getInputStream();     FileOutputStream fos = new FileOutputStream("respond.txt");     byte[] buffer = new byte[1024];     for (int length; (length = is.read(buffer)) > 0;) {         fos.write(buffer, 0, length);     }     fos.close();     is.close();     */ }

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1	sentHttpPostRequest("http://somewhere/somefile", "arg1=value1&arg2=value2");

此例子顯示 args 是一組連續參數像
可以利用此功能連續自動發送 HTTP 往目的地
This example shows the args parameter is a chain of connected arguments.
You can perform an automatic task of HTTP request to the target site rapidly.