# Java 实现http post方法发送数据

**URL:** <https://www.isharkfly.com/t/java-http-post/7031>\
**Category:** 程序语言\
**Created:** [December 10, 2013, 7:31pm UTC](https://www.isharkfly.com/t/java-http-post/7031 "2013-12-10T19:31:19Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![honeymoose](https://www.isharkfly.com/user_avatar/www.isharkfly.com/honeymoose/32/20796_2.png) [@honeymoose](https://www.isharkfly.com/u/honeymoose)\
**Post date:** [December 10, 2013, 7:31pm UTC](https://www.isharkfly.com/t/java-http-post/7031/1 "2013-12-10T19:31:19Z")

</div>

请参考下面的代码：[code]import java.io.BufferedReader;  
import java.io.InputStream;  
import java.io.InputStreamReader;  
import java.io.OutputStreamWriter;  
import java.net.URL;  
import java.net.URLConnection;

public class HttpUtil {  
/\*\*

- java.net实现 HTTP POST方法提交
- 
- @param url
- @param paramContent
- @return  
\*/  
public static StringBuffer submitPost(String url, String paramContent) {  
StringBuffer responseMessage = null;  
java.net.URLConnection connection = null;  
java.net.URL reqUrl = null;  
OutputStreamWriter reqOut = null;  
InputStream in = null;  
BufferedReader br = null;  
String param = paramContent;  
try {

System.out.println(“url=” + url + “?” + paramContent + “\n”);  
System.out.println(“===========post method start=========”);  
responseMessage = new StringBuffer();  
reqUrl = new java.net.URL(url);  
connection = reqUrl.openConnection();  
connection.setDoOutput(true);  
reqOut = new OutputStreamWriter(connection.getOutputStream());  
reqOut.write(param);  
reqOut.flush();  
int charCount = -1;  
in = connection.getInputStream();

br = new BufferedReader(new InputStreamReader(in, “GBK”));  
while ((charCount = br.read()) != -1) {  
responseMessage.append((char) charCount);  
}

System.out.println(responseMessage);  
System.out.println(“===========post method end=========”);  
} catch (Exception ex) {  
System.out  
.println(“url=” + url + “?” + paramContent + “\n e=” + ex);  
} finally {  
try {  
in.close();  
reqOut.close();  
} catch (Exception e) {  
System.out  
.println(“paramContent=” + paramContent + “|err=” + e);  
}

}  
return responseMessage;  
}

/\*\*

- java.net实现 HTTP或HTTPs GET方法提交
- 
- @param strUrl
- 

```
       提交的地址及参数

```

- @return 返回的response信息  
\*/  
public static String submitGet(String strUrl) {  
URLConnection connection = null;  
BufferedReader reader = null;  
String str = null;  
try {  
System.out.println(“send getmethod=” + strUrl);  
URL url = new URL(strUrl);  
connection = url.openConnection();  
connection.setDoInput(true);  
connection.setDoOutput(false);  
// 取得输入流，并使用Reader读取  
reader = new BufferedReader(new InputStreamReader(connection  
.getInputStream()));  
System.out  
.println(“============Contents of get request===============”);  
String lines;  
StringBuffer linebuff = new StringBuffer(“”);  
while ((lines = reader.readLine()) != null) {  
linebuff.append(lines);  
}  
System.out.println(linebuff);  
System.out  
.println(“============Contents of get request ends==========”);  
str = linebuff.toString();  
} catch (Exception e) {  
System.out.println(“getmethod is err=” + e);  
e.printStackTrace();  
} finally {  
try {  
reader.close();  
} catch (Exception e) {  
e.printStackTrace();  
}  
}  
return str;  
}

}

[/code]