364 lines
9.5 KiB
JavaScript
364 lines
9.5 KiB
JavaScript
/**
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@Name：layuiAdmin 视图模块
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@Author：贤心
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@Site：http://www.layui.com/admin/
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@License：LPPL
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*/
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layui.define(['laytpl', 'layer'], function(exports){
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var $ = layui.jquery
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,laytpl = layui.laytpl
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,layer = layui.layer
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,setter = layui.setter
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,device = layui.device()
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,hint = layui.hint()
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//对外接口
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,view = function(id){
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return new Class(id);
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}
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,SHOW = 'layui-show', LAY_BODY = 'LAY_app_body'
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//构造器
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,Class = function(id){
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this.id = id;
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this.container = $('#'+(id || LAY_BODY));
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};
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//加载中
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view.loading = function(elem){
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elem.append(
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this.elemLoad = $('<i class="layui-anim layui-anim-rotate layui-anim-loop layui-icon layui-icon-loading layadmin-loading"></i>')
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);
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};
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//移除加载
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view.removeLoad = function(){
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this.elemLoad && this.elemLoad.remove();
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};
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//清除 token，并跳转到登入页
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view.exit = function(callback){
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//清空本地记录的 token
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layui.data(setter.tableName, {
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key: setter.request.tokenName
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,remove: true
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});
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//跳转到登入页
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//location.hash = '/user/login';
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callback && callback();
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};
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//Ajax请求
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view.req = function(options){
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var that = this
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,success = options.success
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,error = options.error
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,request = setter.request
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,response = setter.response
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,debug = function(){
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return setter.debug
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? '<br><cite>URL：</cite>' + options.url
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: '';
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};
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options.data = options.data || {};
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options.headers = options.headers || {};
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if(request.tokenName){
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var sendData = typeof options.data === 'string'
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? JSON.parse(options.data)
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: options.data;
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//自动给参数传入默认 token
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options.data[request.tokenName] = request.tokenName in sendData
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? options.data[request.tokenName]
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: (layui.data(setter.tableName)[request.tokenName] || '');
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//自动给 Request Headers 传入 token
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options.headers[request.tokenName] = request.tokenName in options.headers
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? options.headers[request.tokenName]
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: (layui.data(setter.tableName)[request.tokenName] || '');
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}
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delete options.success;
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delete options.error;
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return $.ajax($.extend({
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type: 'get'
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,dataType: 'json'
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,success: function(res){
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var statusCode = response.statusCode;
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//只有 response 的 code 一切正常才执行 done
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if(res[response.statusName] == statusCode.ok) {
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typeof options.done === 'function' && options.done(res);
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}
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//登录状态失效，清除本地 access_token，并强制跳转到登入页
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else if(res[response.statusName] == statusCode.logout){
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view.exit();
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}
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//增加的代码，增加登录失败时的状态码
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else if(res[response.statusName] == statusCode.error){
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layer.msg(res.msg);
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}
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//其它异常
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else {
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var error = [
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'<cite>Error：</cite> ' + (res[response.msgName] || '返回状态码异常')
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,debug()
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].join('');
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view.error(error);
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}
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//只要 http 状态码正常，无论 response 的 code 是否正常都执行 success
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typeof success === 'function' && success(res);
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}
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,error: function(e, code){
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var error = [
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'请求异常，请重试<br><cite>错误信息：</cite>'+ code
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,debug()
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].join('');
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view.error(error);
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typeof error === 'function' && error(res);
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}
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}, options));
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};
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//弹窗
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view.popup = function(options){
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var success = options.success
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,skin = options.skin;
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delete options.success;
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delete options.skin;
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return layer.open($.extend({
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type: 1
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,title: '提示'
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,content: ''
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,id: 'LAY-system-view-popup'
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,skin: 'layui-layer-admin' + (skin ? ' ' + skin : '')
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,shadeClose: true
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,closeBtn: false
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,success: function(layero, index){
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var elemClose = $('<i class="layui-icon" close>ဆ</i>');
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layero.append(elemClose);
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elemClose.on('click', function(){
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layer.close(index);
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});
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typeof success === 'function' && success.apply(this, arguments);
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}
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}, options))
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};
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//异常提示
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view.error = function(content, options){
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return view.popup($.extend({
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content: content
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,maxWidth: 300
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//,shade: 0.01
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,offset: 't'
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,anim: 6
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,id: 'LAY_adminError'
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}, options))
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};
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//请求模板文件渲染
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Class.prototype.render = function(views, params){
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var that = this, router = layui.router();
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views = setter.views + views + setter.engine;
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$('#'+ LAY_BODY).children('.layadmin-loading').remove();
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view.loading(that.container); //loading
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//请求模板
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$.ajax({
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url: views
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,type: 'get'
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,dataType: 'html'
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,data: {
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v: layui.cache.version
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}
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,success: function(html){
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html = '<div>' + html + '</div>';
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var elemTitle = $(html).find('title')
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,title = elemTitle.text() || (html.match(/\<title\>([\s\S]*)\<\/title>/)||[])[1];
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var res = {
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title: title
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,body: html
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};
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elemTitle.remove();
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that.params = params || {}; //获取参数
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if(that.then){
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that.then(res);
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delete that.then;
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}
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that.parse(html);
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view.removeLoad();
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if(that.done){
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that.done(res);
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delete that.done;
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}
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}
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,error: function(e){
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view.removeLoad();
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if(that.render.isError){
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return view.error('请求视图文件异常，状态：'+ e.status);
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};
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if(e.status === 404){
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that.render('template/tips/404');
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} else {
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that.render('template/tips/error');
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}
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that.render.isError = true;
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}
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});
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return that;
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};
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//解析模板
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Class.prototype.parse = function(html, refresh, callback){
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var that = this
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,isScriptTpl = typeof html === 'object' //是否模板元素
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,elem = isScriptTpl ? html : $(html)
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,elemTemp = isScriptTpl ? html : elem.find('*[template]')
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,fn = function(options){
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var tpl = laytpl(options.dataElem.html())
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,res = $.extend({
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params: router.params
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}, options.res);
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options.dataElem.after(tpl.render(res));
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typeof callback === 'function' && callback();
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try {
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options.done && new Function('d', options.done)(res);
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} catch(e){
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console.error(options.dataElem[0], '\n存在错误回调脚本\n\n', e)
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}
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}
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,router = layui.router();
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elem.find('title').remove();
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that.container[refresh ? 'after' : 'html'](elem.children());
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router.params = that.params || {};
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//遍历模板区块
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for(var i = elemTemp.length; i > 0; i--){
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(function(){
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var dataElem = elemTemp.eq(i - 1)
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,layDone = dataElem.attr('lay-done') || dataElem.attr('lay-then') //获取回调
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,url = laytpl(dataElem.attr('lay-url')|| '').render(router) //接口 url
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,data = laytpl(dataElem.attr('lay-data')|| '').render(router) //接口参数
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,headers = laytpl(dataElem.attr('lay-headers')|| '').render(router); //接口请求的头信息
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try {
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data = new Function('return '+ data + ';')();
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} catch(e) {
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hint.error('lay-data: ' + e.message);
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data = {};
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};
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try {
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headers = new Function('return '+ headers + ';')();
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} catch(e) {
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hint.error('lay-headers: ' + e.message);
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headers = headers || {}
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};
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if(url){
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view.req({
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type: dataElem.attr('lay-type') || 'get'
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,url: url
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,data: data
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,dataType: 'json'
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,headers: headers
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,success: function(res){
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fn({
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dataElem: dataElem
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,res: res
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,done: layDone
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});
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}
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});
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} else {
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fn({
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dataElem: dataElem
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,done: layDone
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});
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}
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}());
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}
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return that;
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};
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//自动渲染数据模板
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Class.prototype.autoRender = function(id, callback){
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var that = this;
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$(id || 'body').find('*[template]').each(function(index, item){
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var othis = $(this);
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that.container = othis;
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that.parse(othis, 'refresh');
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});
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};
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//直接渲染字符
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Class.prototype.send = function(views, data){
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var tpl = laytpl(views || this.container.html()).render(data || {});
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this.container.html(tpl);
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return this;
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};
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//局部刷新模板
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Class.prototype.refresh = function(callback){
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var that = this
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,next = that.container.next()
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,templateid = next.attr('lay-templateid');
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if(that.id != templateid) return that;
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that.parse(that.container, 'refresh', function(){
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that.container.siblings('[lay-templateid="'+ that.id +'"]:last').remove();
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typeof callback === 'function' && callback();
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});
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return that;
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};
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//视图请求成功后的回调
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Class.prototype.then = function(callback){
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this.then = callback;
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return this;
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};
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//视图渲染完毕后的回调
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Class.prototype.done = function(callback){
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this.done = callback;
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return this;
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};
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//对外接口
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exports('view', view);
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}); |