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httpclient post请求

httpclient post请求

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httpclient post请求

最近做的项目要post 请求接口,所以就顺手写了个方法分享一下

打开MyEclipse工具,新建一个Test 类

然后编写post请求方法,代码如下:

public static String methodPost(String url,NameValuePair[] data){

String response= "";//要返回的response信息

HttpClient httpClient = new HttpClient();

PostMethod postMethod = new PostMethod(url);

// 将表单的值放入postMethod中

postMethod.setRequestBody(data);

// 执行postMethod

int statusCode = 0;

try {

statusCode = httpClient.executeMethod(postMethod);

} catch (HttpException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

// HttpClient对于要求接受后继服务的请求,象POST和PUT等不能自动处理转发

// 301或者302

if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY

|| statusCode == HttpStatus.SC_MOVED_TEMPORARILY) {

// 从头中取出转向的地址

Header locationHeader = postMethod.getResponseHeader("location");

String location = null;

if (locationHeader != null) {

location = locationHeader.getValue();

System.out.println("页面跳转:" + location);

response= methodPost(location,data);//用跳转后的页面重新请求。

} else {

System.err.println("本地跳转失败路径为空.");

}

} else {

System.out.println(postMethod.getStatusLine());

try {

response= postMethod.getResponseBodyAsString();

} catch (IOException e) {

e.printStackTrace();

}

postMethod.releaseConnection();

}

return response;

}

在main 方法中编写测试代码,如下图