springmvc 重定向为post请求

阳光穿透心脏的1/2处 2021-11-14 10:58 383阅读 0赞

package com.foresee.zxpt.common.utils;
    
    import java.io.IOException;
    import java.io.PrintWriter;
    import java.util.HashMap;
    import java.util.Iterator;
    import java.util.Map;
    
    import javax.servlet.http.HttpServletResponse;
    
    public class HttpClientPostFs {
    
    	private static Map<String, String> parameter = new HashMap<String, String>();
    	private HttpServletResponse response;
    
    	public HttpClientPostFs() {
    	}
    
    	public HttpClientPostFs(HttpServletResponse response) {
    		this.response = response;
    	}
    
    	public void setParameter(String key, String value) {
    		HttpClientPostFs.parameter.put(key, value);
    	}
    
    	public void sendByPost(String url) throws IOException {
    		this.response.setContentType("text/html");
    		PrintWriter out = this.response.getWriter();
    		out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
    		out.println("<HTML>");
    		out.println(" <HEAD><TITLE>sender</TITLE></HEAD>");
    		out.println(" <BODY>");
    		out.println("<form name=\"submitForm\" action=\"" + url + "\" method=\"post\">");
    		Iterator<String> it = HttpClientPostFs.parameter.keySet().iterator();
    		while (it.hasNext()) {
    			String key = it.next();
    			out.println("<input type=\"hidden\" name=\"" + key + "\" value=\"" + HttpClientPostFs.parameter.get(key) + "\"/>");
    		}
    		out.println("</from>");
    		out.println("<script>window.document.submitForm.submit();</script> ");
    		out.println(" </BODY>");
    		out.println("</HTML>");
    		out.flush();
    		out.close();
    	}
    }

package com.foresee.zxpt.common.utils;

import java.io.IOException;

import java.io.PrintWriter;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

import javax.servlet.http.HttpServletResponse;

public class HttpClientPostFs {

private static Map<String, String> parameter = new HashMap<String, String>();

private HttpServletResponse response;

public HttpClientPostFs() {

}

public HttpClientPostFs(HttpServletResponse response) {

this.response = response;

}

public void setParameter(String key, String value) {

HttpClientPostFs.parameter.put(key, value);

}

public void sendByPost(String url) throws IOException {

this.response.setContentType("text/html");

PrintWriter out = this.response.getWriter();

out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");

out.println("<HTML>");

out.println(" <HEAD><TITLE>sender</TITLE></HEAD>");

out.println(" <BODY>");

out.println("<form name=\"submitForm\" action=\"" + url + "\" method=\"post\">");

Iterator<String> it = HttpClientPostFs.parameter.keySet().iterator();

while (it.hasNext()) {

String key = it.next();

out.println("<input type=\"hidden\" name=\"" + key + "\" value=\"" + HttpClientPostFs.parameter.get(key) + "\"/>");

}

out.println("</from>");

out.println("<script>window.document.submitForm.submit();</script> ");

out.println(" </BODY>");

out.println("</HTML>");

out.flush();

out.close();

}

@RequestMapping(value = {"showDownloadInfo"})
    	public void showDownloadInfo( HttpServletRequest request, HttpServletResponse response, String ids) {
    		try {
    			String[] idArr = ids.split("&");
    			String id=idArr[0];
    			TZxptQtSqxxbTo sqxxbTo = sqxxbToService.get(id);
    			String requestId = sqxxbTo.getRequestId();
    			String url= "/zxpt-web"+frontPath + "/report/downloadQyzxbg4PDFNew";
    			HttpClientPostFs http=new HttpClientPostFs(response);
    			http.setParameter("requestId",requestId);//将参数封装到这个里面,以键值对的形式存在
    			http.sendByPost(url);//重定向的地址
    		} catch (IOException e) {
    			logger.error(e.getMessage());
    		}
    	}

@RequestMapping(value = {
                 "showDownloadInfo"})

public void showDownloadInfo( HttpServletRequest request, HttpServletResponse response, String ids) {

try {

String[] idArr = ids.split("&");

String id=idArr[0];

TZxptQtSqxxbTo sqxxbTo = sqxxbToService.get(id);

String requestId = sqxxbTo.getRequestId();

String url= "/zxpt-web"+frontPath + "/report/downloadQyzxbg4PDFNew";

HttpClientPostFs http=new HttpClientPostFs(response);

http.setParameter("requestId",requestId);//将参数封装到这个里面,以键值对的形式存在

http.sendByPost(url);//重定向的地址

} catch (IOException e) {