java 获取 post参数

快来打我* 2021-10-06 13:54 411阅读 0赞

/**  
     * @Title: GgCzyTBServlet.java
     * @Package com.zzxy.common.gg_jgtb.servlet
     * @Description: TODO
     * @author 屈卞忠
     * @date 2016-8-22 下午05:02:03
     */
    package com.zzxy.common.gg_czytb.servlet;
    
    import java.io.BufferedReader;
    import java.io.IOException;
    import java.io.InputStream;
    import java.io.InputStreamReader;
    import java.io.PrintWriter;
    import java.util.HashMap;
    
    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    
    import com.zzxy.common.gg_czytb.iface.CzytbFacade;
    import com.zzxy.common.gg_jgtb.iface.JgtbFacade;
    import com.zzxy.common.util.SpringBeanUtil;
    
    /**
     * ClassName: GgCzyTBServlet 
     * @Description: TODO
     * @author 屈卞忠
     * @date 2016-8-22 下午05:02:03
     */
    @SuppressWarnings("serial")
    public class GgCzyTBServlet extends HttpServlet {
    	CzytbFacade czytbFacade = (CzytbFacade) SpringBeanUtil.getBean("czy.CzytbFacade");
    
    	/**
    	 * 新增用户数据
    	 */
    	public void doPost(HttpServletRequest request, HttpServletResponse response)
    			throws ServletException, IOException {
    		String str = this.getData(request);
    		HashMap<String, String> map = this.jsonForMap(str);
    		
    		czytbFacade.addOrUpdateCzy(map.get("userId").toString(),map.get("username").toString(),map.get("orgId").toString()
    				,map.get("phone").toString(),map.get("workTel").toString());
    	}
    
    	/**
    	 * 更新用户数据
    	 */
    	public void doPut(HttpServletRequest request, HttpServletResponse response)
    			throws ServletException, IOException {
    		doPost(request, response);
    	}
    	/**
    	 * 
    	 * @Description: TODO 获取请求传输过来的数据
    	 * @param @param req
    	 * @param @return
    	 * @param @throws IOException   
    	 * @return String  
    	 * @throws
    	 * @author 屈卞忠
    	 * @date 2016-8-25 上午09:36:14
    	 */
    	private String getData(HttpServletRequest req) throws IOException {
    		// 获取post参数
    		StringBuffer sb = new StringBuffer();
    		InputStream is = req.getInputStream();
    		InputStreamReader isr = new InputStreamReader(is);
    		BufferedReader br = new BufferedReader(isr);
    		String s = "";
    		while ((s = br.readLine()) != null) {
    			sb.append(s);
    		}
    		return  sb.toString();
    	}
    	/**
    	 * 
    	 * @Description: TODO 将json字符串转换为hashmap
    	 * @param @param str
    	 * @param @return   
    	 * @return HashMap<String,String>  
    	 * @throws
    	 * @author 屈卞忠
    	 * @date 2016-8-26 下午02:38:02
    	 */
    	private HashMap<String, String> jsonForMap(String str) {
    		/*
    		{"data":{"userId":"0002","username":"朱玉国","orgId":"100","orgName":"长沙3银行总行","deptId":"","position":"董事长","phone":"18807312207","workTel":"54221","shortTel":"101","displayOrder":1,"enable":true},"secret":"7cb32c5c98344646b6a9c9ac7caf5245"}
    		*/
    		HashMap<String, String> map = new HashMap<String, String>();
    		String data_ = str.substring(1, str.length()-1);
    		System.out.println(data_);
    		String data1_ = data_.split("}")[0];
    		String data2_ = data1_.substring(8);
    		String [] data = data2_.split(",");
    		for(int i=0 ;i<data.length;i++){
    			String[] s_ = data[i].split(":");
    			String key=s_[0].substring(1, s_[0].length()-1);
    			String value = "";
    			if(s_[1].contains("\"")){
    				value = s_[1].substring(1, s_[1].length()-1);
    			}else{
    				value = s_[1];
    			}
    			map.put(key, value);
    		}
    		return map;
    	}
    }