图片选择并使用base64展示

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>图片上传选择</title>
    <style>
        .img-chooise,
        .img-chooise .ze {
            height: 150px;
            width: 150px;
        }

        .img-chooise {
            border: 1px solid #ccc;
            box-sizing: border-box;
            position: relative;
        }

        .img-chooise .ze {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            background-color: rgba(0, 0, 0, 0.7);
            text-align: center;
            color: #1E90FF;
            display: none;
        }

        .img-chooise .button {
            list-style-type: none;
            -webkit-transition-duration: 0.4s;
            /* Safari */
            transition-duration: 0.4s;
            outline: none;
            border: 1px solid #1E90FF;
            color: #1E90FF;
            padding: 2px 10px;
            line-height: 150px;
            cursor: pointer;
        }

        .img-chooise .button:hover {
            background-color: #1E90FF;
            /* Green */
            color: white;
        }

        .set>div {
            float: left;
            margin-left: 20px;
            margin-bottom: 20px;
        }
    </style>
</head>

<body>
    <div class="set">
        <div class="img-chooise">
            <img src="images/plus.png" style="height: 100%; width: 100%;" />
            <div class="ze">
                <a type="button" data-type="chooise" class="button">选择</a>
                <a type="button" data-type="delete" class="button">删除</a>
            </div>
            <input type="file" style="display: none;" />
        </div>
        <div class="img-chooise">
            <img src="images/plus.png" style="height: 100%; width: 100%;" />
            <div class="ze">
                <a type="button" data-type="chooise" class="button">选择</a>
                <a type="button" data-type="delete" class="button">删除</a>
            </div>
            <input type="file" style="display: none;" />
        </div>
        <div class="img-chooise">
            <img src="images/plus.png" style="height: 100%; width: 100%;" />
            <div class="ze">
                <a type="button" data-type="chooise" class="button">选择</a>
                <a type="button" data-type="delete" class="button">删除</a>
            </div>
            <input type="file" style="display: none;" />
        </div>
        <div class="img-chooise">
            <img src="images/plus.png" style="height: 100%; width: 100%;" />
            <div class="ze">
                <a type="button" data-type="chooise" class="button">选择</a>
                <a type="button" data-type="delete" class="button">删除</a>
            </div>
            <input type="file" style="display: none;" />
        </div>
        <div class="img-chooise">
            <img src="images/plus.png" style="height: 100%; width: 100%;" />
            <div class="ze">
                <a type="button" data-type="chooise" class="button">选择</a>
                <a type="button" data-type="delete" class="button">删除</a>
            </div>
            <input type="file" style="display: none;" />
        </div>
        <div class="img-chooise">
            <img src="images/plus.png" style="height: 100%; width: 100%;" />
            <div class="ze">
                <a type="button" data-type="chooise" class="button">选择</a>
                <a type="button" data-type="delete" class="button">删除</a>
            </div>
            <input type="file" style="display: none;" />
        </div>
        <div class="img-chooise">
            <img src="images/plus.png" style="height: 100%; width: 100%;" />
            <div class="ze">
                <a type="button" data-type="chooise" class="button">选择</a>
                <a type="button" data-type="delete" class="button">删除</a>
            </div>
            <input type="file" style="display: none;" />
        </div>
        <div class="img-chooise">
            <img src="images/plus.png" style="height: 100%; width: 100%;" />
            <div class="ze">
                <a type="button" data-type="chooise" class="button">选择</a>
                <a type="button" data-type="delete" class="button">删除</a>
            </div>
            <input type="file" style="display: none;" />
        </div>
        <div class="img-chooise">
            <img src="images/plus.png" style="height: 100%; width: 100%;" />
            <div class="ze">
                <a type="button" data-type="chooise" class="button">选择</a>
                <a type="button" data-type="delete" class="button">删除</a>
            </div>
            <input type="file" style="display: none;" />
        </div>
        <div class="img-chooise">
            <img src="images/plus.png" style="height: 100%; width: 100%;" />
            <div class="ze">
                <a type="button" data-type="chooise" class="button">选择</a>
                <a type="button" data-type="delete" class="button">删除</a>
            </div>
            <input type="file" style="display: none;" />
        </div>
        <div class="img-chooise">
            <img src="images/plus.png" style="height: 100%; width: 100%;" />
            <div class="ze">
                <a type="button" data-type="chooise" class="button">选择</a>
                <a type="button" data-type="delete" class="button">删除</a>
            </div>
            <input type="file" style="display: none;" />
        </div>
        <div class="img-chooise">
            <img src="images/plus.png" style="height: 100%; width: 100%;" />
            <div class="ze">
                <a type="button" data-type="chooise" class="button">选择</a>
                <a type="button" data-type="delete" class="button">删除</a>
            </div>
            <input type="file" style="display: none;" />
        </div>
        <div class="img-chooise">
            <img src="images/plus.png" style="height: 100%; width: 100%;" />
            <div class="ze">
                <a type="button" data-type="chooise" class="button">选择</a>
                <a type="button" data-type="delete" class="button">删除</a>
            </div>
            <input type="file" style="display: none;" />
        </div>
    </div>
</body>

</html>

<script src="http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script type="text/javascript">

    $(function () {

        //显示与隐藏
        $(".img-chooise").on({
            mouseover: function () {
                $(this).find(".ze").show();
            },
            mouseout: function () {
                $(this).find(".ze").hide();
            }
        });

        //单击选择
        $(".img-chooise .ze a").click(function () {
            if ($(this).data("type") == "chooise") {
                $(this).parent().next().trigger("click");
            } else if ($(this).data("type") == "delete") {
                $(this).parent().prev().attr("src", "images/plus.png")
            }
        });


        //转base64
        $(".img-chooise input[type='file']").change(function (e) {
            var that = this;
            var file = e.currentTarget.files[0];//$(this).files[0];

            if (!/image\/\w+/.test(file.type)) {
                alert("请确保文件为图像文件");
                return false;
            }
            var reader = new FileReader();
            reader.readAsDataURL(file);
            reader.onload = function (e) {
                console.log(this.result);

                $(that).prev().prev().attr("src", this.result);
            }
        })


    })
</script>

  

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转载自www.cnblogs.com/zhoushangwu/p/9083561.html