小程序代码
upload:function(e){
var that = this;
wx.showActionSheet({
itemList: [\'从相册选择\',\'拍照\'],
itemColor:"#f7982a",
success:function(res){
if(!res.cancer){
if (res.tapIndex==0){
that.chooseWxImageShop(\'album\');
} else if (res.tapIndex == 1) {
that.chooseWxImageShop(\'camera\')
}
}
 
}
})
},
chooseWxImageShop: function (type) {
var that = this;
wx.chooseImage({
sizeType: [\'original\', \'compressed\'],
sourceType: [type],
success: function (res) {
/*上传单张
that.data.orderDetail.shopImage = res.tempFilePaths[0],
that.upload_file(API_URL + \'shop/shopIcon\', res.tempFilePaths[0])
*/
// 上传多张(遍历数组,一次传一张)
for (var index in res.tempFilePaths) {
that.upload_file(\'后台接口地址\', res.tempFilePaths[index])
}
 
}
})
},
upload_file: function (url, filePath) {
var that = this;
wx.uploadFile({
url: url,
filePath: filePath,
name: \'imagefile\',
header: {
\'content-type\': \'multipart/form-data\'
}, // 设置请求的 header
formData: { \'guid\':"procomment" }, // HTTP 请求中其他额外的 form data
success: function (res) {
console.log(JSON.parse(res.data).msg)
},
fail: function (res) {
}
})
}

 

 
后台代码
public String doUpload(HttpServletRequest request, HttpServletResponse response,
@RequestParam(value = "imagefile", required = false) MultipartFile imagefile)
throws Exception {

try {

String type = imagefile.getOriginalFilename().substring(imagefile.getOriginalFilename().lastIndexOf(".")).toLowerCase();
File targetFile = new File("D:/images/upload/" ,  type);
if (!targetFile.exists()) {
targetFile.mkdirs();
}
imagefile.transferTo(targetFile);
return  type
} catch (Exception e) {

return "上传失败"
}

 

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本文链接:https://www.cnblogs.com/cweijie/p/9874130.html