ajax统一封装例子

系统管理员 2021-01-19 09:00 569阅读 0赞

/*统一ajax请求接口封装
     * 创建人zhoulei  时间：2019年9月2日17:26:40
     * type请求类型 post || get
     * url请求地址,必传项
     * param请求的参数,默认传对象的形式
     * isAsync是否异步加载
     * isShowLoader是否显示加载动画
     * dataType请求参数类型,默认json形式
     * callBack请求成功的回调函数，必传项
     * 
     */
    Tools.ajaxRequest = function (opts) {
        var type = opts.type || "get";
        var url = opts.url;
        var param = opts.param || {};
        var isShowLoader = opts.isShowLoader || false;
        var isAsync = opts.async === false ? false : true;
        var dataType = opts.dataType || "json";
        var contentType = opts.contentType || "application/x-www-form-urlencoded;charset=utf-8";
        var callBack = opts.callBack;
        var completeBack = opts.completeBack;
        $.ajax({
            type: type,
            url: url,
            data: param,
            async: isAsync,
            dataType: dataType,
            contentType: contentType,
            beforeSend: showLoader(),
            complete: complete(),
            success: function (res) {
                if (res != null && res != "") {
                    var resultTips = respTips(res);
                    if (resultTips.isOk) {
                        if (callBack) {
                            if (Object.prototype.toString.call(callBack) === "[object Function]") { //Object.prototype.toString.call方法--精确判断对象的类型
                                callBack(res);
                            } else {
                                console.log("callBack is not a function");
                            }
                        }
                    } else {
                        new Tools.popUp({
                            title: '提示信息',
                            messTxt: resultTips.msg || "系统错误！",
                            iconType: 'tipIcon',
                            isSingleBtn: true,
                            suffix: 'd',
                            closeCallBack: function (closeEvent) {
                                closeEvent();
                            }
                        });
                    }
                }else{
                    new Tools.popUp({
                        title: '提示信息',
                        messTxt: "系统报错！",
                        iconType: 'tipIcon',
                        isSingleBtn: true,
                        suffix: 'd',
                        closeCallBack: function (closeEvent) {
                            closeEvent();
                        }
                    });
                }
            },
            error: function (err) {
                new Tools.popUp({
                    title: '提示信息',
                    messTxt: "系统报错！",
                    iconType: 'tipIcon',
                    isSingleBtn: true,
                    suffix: 'd',
                    closeCallBack: function (closeEvent) {
                        closeEvent();
                    }
                });
            }
        });
        //隐藏loader
        function complete() {
            if (completeBack) {
                if (Object.prototype.toString.call(completeBack) === "[object Function]") { //Object.prototype.toString.call方法--精确判断对象的类型
                    completeBack();
                } else {
                    console.log("completeBack is not a function");
                }
            }
        }
    
        function showLoader() {
            if (isShowLoader) {
                var loader = '<div class="ajaxLoader"><div class="loader">加载中...</div></div>';
                $("body").append(loader);
            }
        }
    
        function respTips(res) {
            var result = {};
            switch (res.status_code) {
                case "1000":
                    result = {
                        isOk: true,
                        msg: "操作成功！"
                    }
                    break;
                case "1011":
                    result = {
                        isOk: false,
                        msg: "必选参数为空！"
                    }
                    break;
                case "1012":
                    result = {
                        isOk: false,
                        msg: "操作参数校验异常！"
                    }
                    break;
                case "1021":
                    result = {
                        isOk: false,
                        msg: "加载失败！"
                    }
                    break;
                case "1022":
                    result = {
                        isOk: false,
                        msg: "保存失败！"
                    }
                    break;
                case "1024":
                    result = {
                        isOk: false,
                        msg: "删除失败！"
                    }
                    break;
            }
            return result;
        }
    }