// packageE/others/mycomponent/skin-circle.js Component({ /** * 组件的属性列表 */ properties: { datas:{ type:null }, types:{ type:null } }, /** * 组件的初始数据 */ data: { setvalue:'', ageArr: ['10', '30', '50', '70', '90'] }, observers: { "datas":function(a){ console.log(a); let value = ''; if(a.value == 1){ value = '15%'; }else if(a.value == 2){ value = '50%'; }else{ value = '80%'; } this.setData({ setvalue : value }); console.log(this.data.setvalue); } }, /** * 组件的方法列表 */ methods: { } });