<input type="file" multiple="multiple"/> 点击选择图片

    div,p,span{
        margin: 0px;
        padding: 0px;
    }
    .dragIn{
        width: 600px;
        height: 200px;
        border: 1px solid #ddd;
        text-align: center;
        line-height: 200px;
        position: relative;
    }
    .dragIn input{
        width: 100%;
        height: 100%;
        opacity: 0;
        position: absolute;
        left: 0;
        top: 0;
    }
    .dragshow2{
        margin-top: 20px;
        width: 600px;
        border: 1px solid #ddd;
        padding: 20px;
        box-sizing: border-box;
    }
    .dragshow2 p{
        text-align: center;
    }
    .uploadImg{
        width: 100px;
        height: 70px;
        display: inline-block;
        margin-left: 15px;
    }
    .uploadImg img{
        width: 100%;
        height: 100%;
    }

<div class="dragIn">
    点击选择照片
    <input type="file" multiple="multiple"/>
</div>
<div class="dragshow2">
    <p>暂无图片</p>
</div>



(function(){

        var input = document.querySelector(".dragIn input");
        var dragshow2 = document.querySelector(".dragshow2");

        if(typeof FileReader === "undefined"){
            input.setAttribute("disabled","disabled");
        }else{
            input.addEventListener("change",readFile);
        }

        function readFile(){
            for(var i=0; i<this.files.length; i++){
                var read = new FileReader();
                var file = this.files[i];
                read.readAsDataURL(file);
                if(!/image/.test(file.type)){
                    alert("0000000000");
                    return false;
                }else{
                    read.onload = function (){
                        var img = document.createElement("img");
                        img.src = this.result;
                        dragshow2.querySelector("p")?dragshow2.removeChild( dragshow2.querySelector("p")):"";
                        dragshow2.appendChild(img);
                    };
                }
            }
        };

    })()


    很普遍的这