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HttpClient访问网络
HttpClient项目时Apache提供用于访问网络的类,对访问网络的方法进行了封装。在HttpURlConnection类中的输入输出操作,统一封装成HttpGet、HttpPost、HttpResponse
一、服务器端前台
1、发送GET请求的步骤:
(1)创建HttpClient对象:HttpClient httpClient=new DefaultHttpClient();
(2)创建HttpGet对象:HttpGet httpGet=new HttpGet(http://www.baidu.com);
(3)添加发送参数:httpGet.setParams("姑娘的眼睛真大,好漂亮咯!");
(4)调用HttpClient对象的execute()方法发送请求:
HttpResponse httpResponse=httpClient.execute();
例子:
HttpClient httpClient=new DefaultHttpClient();
HttpGet httpGet=new HttpGet(http://www.iciba.com);
httpGet.setParams("真棒!");
tyr{
HttpResponse httpResponse=httpClient.execute();
//判断服务器是否响应
if(httpResponse.getStatusLine().getStatusCode()==HttpStatus.SC_OK){
result=EntityUtils.toString(httpResponse.getEntiry());//获取返回的字符串
}else{result="请求失败!";}
}catch(ClientProtocolException e){
e.printStackTrace();
}catch(IOException e){e.printStackTrace();};
HttpClient访问网络