微信小程序实现 url 传值的有效方法

onLoad: function (options) {

    var that = this;

    var id = options.id //获取值

    that.id = id

    var class_id = options.class_id

//在这个地方指定

    that.class_id = class_id

    var position = options.position

    that.position = position

    that.getSubject();

  },