<tr ng-click="+"selectRow("+i+");"+" ng-mouseover="+"changecolor("+i+");"+" id="+i+"></tr>

	//变色

	$scope.changecolor = function (id){

		//第一种写法 不建议

		if(id=="1"){

			document.getElementById("1").style.background='#FFFF99';

			document.getElementById("2").style.background='';

			document.getElementById("3").style.background='';

		}else if(id=="2"){

			document.getElementById("1").style.background='';

			document.getElementById("2").style.background='#FFFF99';

			document.getElementById("3").style.background='';

		}else if(id=="3"){

			document.getElementById("1").style.background='';

			document.getElementById("2").style.background='';

			document.getElementById("3").style.background='#FFFF99';

		}

		//另外一种写法 灵活

		var selrow="#"+id;

		/*if(id=="1"){

			$("#1").parent().children().css({'background':''});

			$("#1").css({'background':'#FFFF99'});

		}*/

		$(selrow).parent().children().css({'background':''});

		$(selrow).css({'background':'#FFFF99'});

	}

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