echarts x軸文字換行顯示

xAxis : [
                                {
                                    splitLine:{show:false},
                                    type : 'category',
                                    data : ['社交人際','溝通交流','心理認知','游戲玩耍','大小運動','生活自理','執行管控','知識常識'],
                                    splitArea:{show:false},
                                    axisLabel: {
                                        show: true,
                                        interval:0,
                                        formatter:function(params) {
                                            var newParamsName = "";
                                            var paramsNameNumber = params.length;
                                            var provideNumber = 2;  //一行顯示幾個字
                                            var rowNumber = Math.ceil(paramsNameNumber / provideNumber);
                                            if (paramsNameNumber > provideNumber) {
                                                for (var p = 0; p < rowNumber; p++) {
                                                    var tempStr = "";
                                                    var start = p * provideNumber;
                                                    var end = start + provideNumber;
                                                    if (p == rowNumber - 1) {
                                                        tempStr = params.substring(start, paramsNameNumber);
                                                    } else {
                                                        tempStr = params.substring(start, end) + "\n";
                                                    }
                                                    newParamsName += tempStr;
                                                }

                                            } else {
                                                newParamsName = params;
                                            }
                                            return newParamsName
                                        },
                                        textStyle: {
                                            color: '#6861a6' //文字顏色
                                        }
                                    }
                                },

效果圖：