通过URL接受图片并展示

通过RestTemplate访问指定的URL地址接收数据。将图片在界面展示出来。

PictureController.java

package cn.cw.controller;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.servlet.ModelAndView;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;

import cn.cw.util.DateUtil;

@Controller
@RequestMapping("/picture")
public class PictureController {
    
    @Value("${cma.history.pictureUrl}") 
    private String url;
    
    @RequestMapping("/index.do")
    @ResponseBody
    public ModelAndView index() {
        
        return new ModelAndView("biz/picture");
    }
    
    @RequestMapping("/getPicture.do")
    @ResponseBody
    public String getPicture(HttpServletRequest request) {
        
        String id = request.getParameter("terminalId");
        String begin = request.getParameter("begin");
        String end = request.getParameter("end");
        
        JSONObject resultJson = new JSONObject();
        List