阿里云-mysql托管错误日志ajax获取

function collectionLog() {
        var str = "";
        $.get(‘/api/rds/DescribeErrorLogs.json?DBInstanceId=rdsa4rpdz4cyig0qteo0g&EndTime=2016-08-14T16:00Z&PageNumber=1&StartTime=2016-08-13T16:00Z&__preventCache=1471255093654‘, function(data) {
            var count = Math.ceil(data.data.TotalRecordCount/data.data.PageRecordCount);
            for (var i = count ; i > 0; i--) {
                var url = ‘/api/rds/DescribeErrorLogs.json?DBInstanceId=rdsa4rpdz4cyig0qteo0g&EndTime=2016-08-14T16:00Z&PageNumber=‘ + i + ‘&StartTime=2016-08-13T16:00Z&__preventCache=1471255093654‘;
                $.ajax({
                    url: url,
                    method: ‘GET‘,
                    async: false,
                    success: function(data) {
                        if (data && data.code == 200) {
                            var items = data.data.Items.ErrorLog; // CreateTime ErrorInfo
                            for (var j = 0; j < items.length; j++) {
                                var item = items[j];
                                str += new Date(item.CreateTime) + ‘  ‘ + item.ErrorInfo + ‘\n‘;
                            }
                        }
                    }
                })
            }
            console.log(str);
        });
    }