多条件排序

做项目有个产品需求；具体是要求根据优先级大小排序一遍，然后根据中文名排一遍，简单说就是二级排序了

 

var arrayData=[//测试数据
    {name:"佛山",priority:2},
    {name:"Wish邮_无锡",priority:1},
    {name:"腌面",priority:5},
    {name:"新加坡",priority:2},
    {name:"4PX测试",priority:2},
    {name:"a鸡扒",priority:5},
    {name:"菜鸟",priority:1},
    {name:"台湾",priority:1},
    {name:"肉末",priority:5},
    {name:"7斤",priority:5},
    {name:"6测试",priority:2},
    {name:"披萨",priority:5}
];

arrayData.sort(function (a,b) {//优先级排序一遍，因为需要从大排到小所以要reverse反序
  return a.priority - b.priority
}).reverse();

function chineseSort(array){//中文排序：数字》中文》英文
    return array.sort(function compareFunction(index1,index2) {
        return index1.name.localeCompare(index2.name,"zh");
    });
};

var cacheArr=[];//缓存数组
var sortArr=[];//最终排序好的数组
for (var i = 0,arrLen=arrayData.length; i < arrLen; i++) {
    if (i<arrLen-1) {
        var thisVal = arrayData[i].priority;
        var nextVal = arrayData[i+1].priority;
        if (thisVal==nextVal) {
            cacheArr.push(arrayData[i])
        }else{
            cacheArr.push(arrayData[i])
            //cacheArr本身就是一个数组不能直接push添加，而要apply融合
            sortArr.push.apply(sortArr,chineseSort(cacheArr))
            cacheArr=[];//清空缓存数组
        }
    }else{
        cacheArr.push(arrayData[i])
        sortArr.push.apply(sortArr,chineseSort(cacheArr))
    }
}
console.log(sortArr)//结果