HTML转换成字符串

//Html结构转字符串形式显示 支持<br>换行

function ToHtmlString(htmlStr) {

    return toTXT(htmlStr).replace(/\&lt\;br[\&ensp\;|\&emsp\;]*[\/]?\&gt\;|\r\n|\n/g, "<br/>");

}

//Html结构转字符串形式显示

function toTXT(str) {

    var RexStr = /\<|\>|\"|\'|\&|　| /g

    str = str.replace(RexStr,

    function (MatchStr) {

        switch (MatchStr) {

            case "<":

                return "<";

                break;

            case ">":

                return ">";

                break;

            case "\"":

                return """;

                break;

            case "'":

                return "'";

                break;

            case "&":

                return "&";

                break;

            case " ":

                return " ";

                break;

            case "　":

                return " ";

                break;

            default:

                break;

        }

    }

    )

    return str;

}