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lines changed Original file line number Diff line number Diff line change 1+ App ( {
2+
3+ /**
4+ * 当小程序初始化完成时,会触发 onLaunch(全局只触发一次)
5+ */
6+ onLaunch : function ( ) {
7+
8+ } ,
9+
10+ /**
11+ * 当小程序启动,或从后台进入前台显示,会触发 onShow
12+ */
13+ onShow : function ( options ) {
14+
15+ } ,
16+
17+ /**
18+ * 当小程序从前台进入后台,会触发 onHide
19+ */
20+ onHide : function ( ) {
21+
22+ } ,
23+
24+ /**
25+ * 当小程序发生脚本错误,或者 api 调用失败时,会触发 onError 并带上错误信息
26+ */
27+ onError : function ( msg ) {
28+
29+ }
30+ } )
Original file line number Diff line number Diff line change 1+ // components/my-mslot/my-mslot.js
2+ Component ( {
3+ // ----------- 让使用者可以给组件传入数据 --------------
4+ properties : {
5+ title : {
6+ type : String ,
7+ value : '' ,
8+ observer : function ( newVal , oldVal ) {
9+
10+ }
11+ }
12+ } ,
13+
14+
15+ // ----------- 定义组件内部的初始化数据 --------------
16+ data : {
17+ counter : 0
18+ } ,
19+
20+
21+ // ----------- 用于定义组件内部的函数 --------------
22+ methods : {
23+ foo ( ) {
24+
25+ }
26+ } ,
27+
28+
29+ // ----------- 定义组件的配置选项 --------------
30+ // multipleSlots: 在使用多插槽时需要设置true
31+ // styleIsolation: 设置样式的隔离方式
32+ options : {
33+ multipleSlots : true
34+ } ,
35+
36+
37+ // ----------- 外界给组件传入额外的样式 --------------
38+ externalClasses : [ ] ,
39+
40+
41+ // ----------- 可以监听properties/data的改变 --------------
42+ observers : {
43+ counter : function ( newVal ) {
44+ console . log ( newVal )
45+ }
46+ } ,
47+
48+ // ----------- 组件中监听生命周期函数 --------------
49+ // 1.监听所在页面的生命周期
50+ pageLifetimes : {
51+ show ( ) {
52+ console . log ( '监听组件所在页面显示出来时' )
53+ } ,
54+ hide ( ) {
55+ console . log ( '监听组件所在页面隐藏起来时' )
56+ } ,
57+ resize ( ) {
58+ console . log ( '监听页面尺寸的改变' )
59+ }
60+ } ,
61+
62+ // 2.监听组件本身的生命周期
63+ lifetimes : {
64+ created ( ) {
65+ console . log ( '组件被创建出来' )
66+ } ,
67+ attached ( ) {
68+ console . log ( '组件被添加到页面' )
69+ } ,
70+ ready ( ) {
71+ console . log ( '组件被渲染出来' )
72+ } ,
73+ moved ( ) {
74+ console . log ( '组件被移动到另外一个节点' )
75+ } ,
76+ detached ( ) {
77+ console . log ( '组件被移除掉' )
78+ }
79+ }
80+ } )
Original file line number Diff line number Diff line change 1+ {
2+ "component" : true ,
3+ "usingComponents" : {}
4+ }
Original file line number Diff line number Diff line change 1+ <!--components/my-mslot/my-mslot.wxml-->
2+ <view>我是mslot组件的开始</view>
3+ <view class='slot1'><slot name="slot1"/></view>
4+ <view class='slot2'><slot name="slot2"/></view>
5+ <view class='slot3'><slot name="slot3"/></view>
6+ <view>我是mslot组件的结尾</view>
Original file line number Diff line number Diff line change 1+ /* components/my-mslot/my-mslot.wxss */
Original file line number Diff line number Diff line change 1+ // components/my-sel/my-sel.js
2+ Component ( {
3+ /**
4+ * 组件的属性列表
5+ */
6+ properties : {
7+ } ,
8+
9+ /**
10+ * 组件的初始数据
11+ */
12+ data : {
13+ counter : 0
14+ } ,
15+
16+ /**
17+ * 组件的方法列表
18+ */
19+ methods : {
20+ incrementCounter ( num ) {
21+ this . setData ( {
22+ counter : this . data . counter + num
23+ } )
24+ }
25+ }
26+ } )
Original file line number Diff line number Diff line change 1+ {
2+ "component" : true ,
3+ "usingComponents" : {}
4+ }
Original file line number Diff line number Diff line change 1+ <!--components/my-sel/my-sel.wxml-->
2+ <view>组件内的计数: {{counter}}</view>
Original file line number Diff line number Diff line change 1+ /* components/my-sel/my-sel.wxss */
Original file line number Diff line number Diff line change 1+ // components/my-slot/my-slot.js
2+ Component ( {
3+ /**
4+ * 组件的属性列表
5+ */
6+ properties : {
7+
8+ } ,
9+
10+ /**
11+ * 组件的初始数据
12+ */
13+ data : {
14+
15+ } ,
16+
17+ /**
18+ * 组件的方法列表
19+ */
20+ methods : {
21+
22+ }
23+ } )
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