package com.xiaobudian.childarticle.util;import org.apache.commons.httpclient.*;import org.apache.commons.httpclient.methods.DeleteMethod;import org.apache.commons.httpclient.methods.GetMethod;import org.apache.commons.httpclient.methods.PostMethod;import org.apache.commons.httpclient.params.HttpMethodParams;import java.io.IOException;import java.util.*;/** * Created by hackcoder on 15-4-20. */public class NetUtil {public static String GET(String url){// Create an instance of HttpClient.HttpClient client = new HttpClient();// Create a method instance.GetMethod method = new GetMethod(url);// Provide custom retry handler is necessarymethod.getParams().setParameter(HttpMethodParams.RETRY_HANDLER,new DefaultHttpMethodRetryHandler(3, false));try {// Execute the method.int statusCode = client.executeMethod(method);if (statusCode != HttpStatus.SC_OK) {return "Method failed: " + method.getStatusLine();}// Read the response body.byte[] responseBody = method.getResponseBody();// Deal with the response.// Use caution: ensure correct character encoding and is not binary datareturn new String(responseBody);} catch (HttpException e) {System.err.println("Fatal protocol violation: " + e.getMessage());e.printStackTrace();} catch (IOException e) {System.err.println("Fatal transport error: " + e.getMessage());e.printStackTrace();} finally {// Release the connection.method.releaseConnection();}return null;}public static String POST(String url,Map<String,Object> dataForm){HttpClient httpClient = new HttpClient();PostMethod post = new PostMethod(url);List<NameValuePair> data = new ArrayList<NameValuePair>();if(dataForm!=null){Set<String> keys = dataForm.keySet();for(String key:keys){NameValuePair nameValuePair = new NameValuePair(key, (String) dataForm.get(key));data.add(nameValuePair);}}post.setRequestBody(data.toArray(new NameValuePair[0]));try {int statusCode = httpClient.executeMethod(post);if (statusCode != HttpStatus.SC_OK) {return "Method failed: " + post.getStatusLine();}// Read the response body.byte[] responseBody = post.getResponseBody();// Deal with the response.// Use caution: ensure correct character encoding and is not binary datareturn new String(responseBody);} catch (IOException e) {e.printStackTrace();}finally {post.releaseConnection();}return null;}public static String DELETE(String url,Map<String,Object> dataForm){HttpClient httpClient = new HttpClient();DeleteMethod deleteMethod = new DeleteMethod(url);List<NameValuePair> data = new ArrayList<NameValuePair>();if(dataForm!=null){Set<String> keys = dataForm.keySet();for(String key:keys){NameValuePair nameValuePair = new NameValuePair(key, (String) dataForm.get(key));data.add(nameValuePair);}}deleteMethod.setQueryString(data.toArray(new NameValuePair[0]));try {int statusCode = httpClient.executeMethod(deleteMethod);if (statusCode != HttpStatus.SC_OK) {return "Method failed: " + deleteMethod.getStatusLine();}// Read the response body.byte[] responseBody = deleteMethod.getResponseBody();// Deal with the response.// Use caution: ensure correct character encoding and is not binary datareturn new String(responseBody);} catch (IOException e) {e.printStackTrace();}finally {deleteMethod.releaseConnection();}return null;}}
，“人”的结构就是相互支撑，“众”人的事业需要每个人的参与。
