var arr=[{id: "600", pId: null, name: "图形的变化"},{id: "630", pId: "600", name: "投影与视图"},{id: "631", pId: "630", name: "投影"},{id: "632", pId: "630", name: "三视图"}
];

arr.map((obj)=>{return "'"+obj.id+"'"}).join(",");//结果"'600','630','631','632'"