js富文本处理和表单提交功能实例详解

 function decodeHtml(s) {
        var HTML_DECODE = {
            "<": "<",
            ">": ">",
            "&": "&",
            " ": " ",
            """: "\"",
            "&copy;": ""
            // Add more
        };

        var REGX_HTML_ENCODE = /"|&|&#39;|<|>|[\x00-\x20]|[\x7F-\xFF]|[\u0100-\u2700]/g;

        var REGX_HTML_DECODE = /&\w+;|&#(\d+);/g;

        var REGX_TRIM = /(^\s*)|(\s*$)/g;

        s = (s != undefined) ? s : "";
        return (typeof s != "string") ? s :
            s.replace(REGX_HTML_DECODE,
                function ($0, $1) {
                    var c = HTML_DECODE[$0];
                    if (c == undefined) {
                        // Maybe is Entity Number
                        if (!isNaN($1)) {
                            c = String.fromCharCode(($1 == 160) ? 32 : $1);
                        } else {
                            c = $0;
                        }
                    }
                    return c;
                });
    };
    $(document).ready(function(){

        var content= "{{$data[&#39;content&#39;]}}";
        $("#content").append(decodeHtml(content));
    });

        //获取表单的所有数据
       var form_data = $('#From_id_2').serializeArray();
     
        var m = [], idata;

        $.each(form_data, function (i, field) {
            m.push('"' + field.name + '":"' + encodeURI(field.value) + '"');
        });
        idata = '{' + m.join(',') + '}';
        // 按字符 idata 转换成 JSON 格式
        idata = eval('(' + idata + ')');
        console.log(idata);  //表单的所有数据,可以直接提交到后台