js动态生成xml格式数据

直接上码：

---- start


function CreatXmlDoc(obj){
    this.tagName = obj.tagName;
    var children = obj.children.map(function(item){
        if(typeof item =="object")
        {
            item = new CreatXmlDoc(item)
        }
        return item
    })
    this.children = children;
}


CreatXmlDoc.prototype.render = function(){
    var el = document.createElement(this.tagName);
    var children = this.children || [];
    children.forEach(function(child){
        var childEl = (child instanceof CreatXmlDoc)
            ? child.render()
            :document.createTextNode(child)
        el.appendChild(childEl);
    })
    return el
}

var obj={
    tagName:'Setup',
    children:[
        {
            tagName:'ProtocolList',
            children:[
                {
                    tagName:'Protocol',
                    children:[
                        {
                            tagName:'Name',
                            children:["onvif"]
                        },
                        {
                            tagName:'UserName',
                            children:["admin"]
                        },
                        {
                            tagName:'PassWord',
                            children:["admin"]
                        },
                        {
                            tagName:'Port',
                            children:["8000"]
                        },
                        {
                            tagName:'MediaPort',
                            children:["8000"]
                        },
                    ]
                },
                {
                    tagName:'Protocol',
                    children:[
                        {
                            tagName:'Name',
                            children:["onvif"]
                        },
                        {
                            tagName:'UserName',
                            children:["admin"]
                        },
                        {
                            tagName:'PassWord',
                            children:["admin"]
                        },
                        {
                            tagName:'Port',
                            children:["8000"]
                        },
                        {
                            tagName:'MediaPort',
                            children:["8000"]
                        },
                    ]
                },
                {
                    tagName:'Protocol',
                    children:[
                        {
                            tagName:'Name',
                            children:["onvif"]
                        },
                        {
                            tagName:'UserName',
                            children:["admin"]
                        },
                        {
                            tagName:'PassWord',
                            children:["admin"]
                        },
                        {
                            tagName:'Port',
                            children:["8000"]
                        },
                        {
                            tagName:'MediaPort',
                            children:["8000"]
                        },
                    ]
                },
            ]
        },
        {
            tagName:'Function',
            children:[
                {
                    tagName:'PlayBack',
                    children:["onvif"]
                },
                {
                    tagName:'Other',
                    children:["rtsp"]
                }
            ]
        }
    ]
}


let doc = new CreatXmlDoc(obj);
let SetupSerial = (new XMLSerializer()).serializeToString(doc.render());
let reg = new RegExp(' xmlns="http://www.w3.org/1999/xhtml"',"g");
SetupSerial = SetupSerial.replace(reg,"");
console.log(SetupSerial);   





---- end