vue通过input选取图片,jq的ajax向服务器上传img

<template>
  <div class="">
    <!-- 选择后预览 -->
    <img v-if="imgOneUrl" :src="imgOneUrlalt="">
    <!-- 默认图片 -->
    <img v-else src="@/assets/images/upImg-1.png" alt="">
    <input type="file" name="file[]" class="file" accept="image/*" @change="upImgOne($event)">
  </div>
</template>
<script>
export default {
    data(){
      return{
        imgOne:‘‘,
        imgOneUrl:‘‘,
      }
    },
    methods:{
        //选取并解读照片信息
        upImgOne(e) {
            this.imgOne = e.target.files[0];
            let reads = new FileReader();
            reads.readAsDataURL(this.imgOne);
            reads.onload = () => {
                this.imgOneUrl = reads.result;
                this.upLodeImg()        //多次上传文件多次调用这个方法,需要传参0,1,2
            }
        },
        upLodeImg(){
            var formData = new FormData() // 声明一个FormData对象
            var formData = new window.FormData() 
            formData.append(‘file‘document.querySelector(‘input[type=file]‘).files[0])
            //formData.append(‘file‘, document.querySelectorAll(‘input[type=file]‘)[index].files[0])   //每次只上传单个文件,
            $.ajax({  
                url: config.API + ‘/api/user/upload/xxx‘ ,  
                type: ‘POST‘,  
                data: formData,  
                async: false,  
                cache: false,  
                contentType: false,  
                processData: false,  
                success: function (resp) {  
                    console.log(resp);
                },  
                error: function (error) {  
                    alert(error);  
                }  
            });
        },
    },
    mounted:function(){} 
}
</script>
<style scoped>

</style>
upLodeImg(index){
            var formData = new FormData() // 声明一个FormData对象
            var formData = new window.FormData() 
            formData.append(‘file‘document.querySelectorAll(‘input[type=file]‘)[index].files[0])
            formData.append(‘token‘this.token)
            // let data = {
            //     token:this.token,
            //     file:formData,
            //     methodPost:true,
            // }
            let that = this
            let _that = this
            let _this = this
            let _thows = this
            $.ajax({  
                url: config.API + ‘/api/user/upload/one‘ ,  
                type: ‘POST‘,  
                data: formData,  
                async: false,  
                cache: false,  
                contentType: false,  
                processData: false,  
                success: function (resp) {  
                    console.log(resp);
                    let data = resp.data
                    if(index==0){
                        _thows.firImg = data.url
                    }else if(index==1){
                        that.secImg = data.url
                    }else if(index==2){
                        _that.thrImg = data.url
                    }else{
                        _this.thiImg = data.url
                    }
                },  
                error: function (error) {  
                    alert(error);  
                }  
            });
        },

vue通过input选取图片,jq的ajax向服务器上传img

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