微信小程序上传图片 后台Java+spring接收

最近在做微信小程序图片上传,将代码上传,造福后来人,废话不多说,贴代码:

微信小程序端

  chooseImage(){
    wx.chooseImage({
      success: function (res) {
        var tempFilePaths = res.tempFilePaths
        wx.uploadFile({
          url: 'http://127.0.0.1:8888/pesss/weChat/uploadImage.do', 
          filePath: tempFilePaths[0],
          name: 'file',
          formData: {
            'user': 'test'
          },
          success: function (res) {
            var data = res.data
            //do something
          },fail:function(err){
            console.log(err)
          }
        })
      }
    })
  }

java 端:

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;

@Controller
public class ImageTestWebchatController {

    @RequestMapping(value = "/weChat/uploadImage", method = { RequestMethod.POST,RequestMethod.GET})
    public ModelAndView uploadImage(HttpServletRequest request, HttpServletResponse response) throws IOException {
        System.out.println("进入get方法!");

        MultipartHttpServletRequest req =(MultipartHttpServletRequest)request;
        MultipartFile multipartFile =  req.getFile("file");

        String realPath = "F:/image";
        try {
            File dir = new File(realPath);
            if (!dir.exists()) {
                dir.mkdir();
            }
            File file  =  new File(realPath,"aaa.jpg");
            multipartFile.transferTo(file);
        } catch (IOException e) {
            e.printStackTrace();
        } catch (IllegalStateException e) {
            e.printStackTrace();
        }
        return null;
    }

}

Java端的返回参数就自己拼写吧,文件路径、名称可以自行命名 ,因为是测试,这里就不写全了。

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