PHP代码手册地图
JS获取图片base64值
<!DOCTYPE html>
<html>
    <head>
        <meta charset="gbk">
        <title></title>
    </head>
    <body>
        <input accept="image/*" name="upimage" id="upload_file" type="file" onchange="gen_base64()">
     <br/>
        <textarea id="base64_output" name="Word" style=" width:820px"></textarea>
     <br/>
     <img src="" id="myImg" />
        <script type="text/javascript">
            function $_(id) {
                    return document.getElementById(id);
            }
            function gen_base64() {
                var file = $_('upload_file').files[0];
                r = new FileReader();  //本地预览
                r.onload = function(){
                    $_('base64_output').value = r.result;
             $_('myImg').src= r.result;
                }
                r.readAsDataURL(file);    //Base64
            }
        </script>
    </body>
</html>


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