src/util.js
function (blob, callback) {
    readAsBinaryString(blob, function (content) {
        var hash = md5(content, true);
        callback(null, hash);
    });
}
function (blob, callback) {
    readAsBinaryString(blob, function (content) {
        var hash = md5(content, true);
        callback(null, hash);
    });
}
function ( blob , callback ) { readAsBinaryString ( blob , function ( content ) { var hash = md5 ( content , true ) ; callback ( null , hash ) ; } ) ; }
获取文件 md5 值
获取文件 md5 值