js 首先通过成绩从小到大进行排序，成绩相同者通过学号从大到小进行排序

function sort(arr,attr,attr2){ var len=arr.length; if(len<=1){ return arr; } var num=Math.floor(len/2); var numVal=arr[num][attr]; var numVal2=arr[num][attr2]; var numStu=arr.splice(num,1); var left=[],right=[]; for(var i=0;i<len-1;i++){ if(arr[i][attr]<numVal){ left.push(arr[i]); }else if(arr[i][attr]==numVal){ if(arr[i][attr2]>numVal2){left.push(arr[i])}else{right.push(arr[i])} }else{right.push(arr[i]);} } return sort(left,attr,attr2).concat(numStu,sort(right,attr,attr2)); } var students=[ {num:20112110,name:'11',goal:80}, {num:20112100,name:'aa',goal:40}, {num:20112112,name:'vv',goal:87}, {num:20112116,name:'dd',goal:54}, {num:20112108,name:'cc',goal:22}, {num:20112134,name:'44',goal:80}, {num:20112117,name:'11',goal:80}, {num:20112109,name:'aa',goal:40}, {num:20112113,name:'vv',goal:87}, {num:20112135,name:'dd',goal:54}, {num:20112102,name:'cc',goal:22}, {num:20112111,name:'44',goal:80} ]; var sortByGoal=sort(students,'goal','num');