distpicker 省市区的插件 上传文件js //拿到event getFile(event) { var file = event.target.files; let that = this; for (var i = 0; i < file.length; i++) { // 上传类型判断 var imgName = file[i].name; var idx = imgName.lastIndexOf("."); if (idx != -1) { var ext = imgName.substr(idx + 1).toUpperCase(); ext = ext.toLowerCase(); if ( ext != "jpg" && ext != "png" && ext != "bmp" && ext != "gif" ) { } else { that.imgArr = file[i]; } } else { } //展示上传的图片 let reader = new FileReader(); reader.readAsDataURL(file[i]);//这个方法将文件转为base64编码的字符串,可以把这个给后端了。 //这里在页面展示图片 reader.onload = function (e) { that.imgArr = this.result; }; } },
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