管理员
   
论坛积分
分
威望 点
贡献值 个
金币 枚
|
|
循环使用 v-for 指令。 v-for 指令需要以 site in sites 形式的特殊语法, sites 是源数据数组并且 site 是数组元素迭代的别名。 v-for 可以绑定数据到数组来渲染一个列表: v-for 指令6 g [$ L* @3 G, t' O0 I
- <div id="app">
^6 ]3 H( ]7 \7 I% ?7 \6 m - <ol>
4 \. m2 `/ U9 N - <li v-for="site in sites">6 n* X& a6 m$ B; y* H5 \8 `
- {{ site.name }}1 v' p+ f0 `( f- [
- </li>
- k& D8 W* H( z2 _ - </ol>2 r+ o7 N t' A/ }- f
- </div>
/ \: q6 r) r# f -
$ I! B; W, ]0 j9 t - <script>
4 ^" i G e$ |8 `7 i - new Vue({, Z2 I* d: J' a% ^: e
- el: '#app',
6 m8 q$ b, ~: @& A - data: {6 x1 ^6 Z1 x3 a- a
- sites: [
3 d- u2 E8 L9 ` - { name: 'Runoob' },
0 ^; W5 N8 k f - { name: 'Google' },, h2 ~+ a3 P: ~# X6 B8 D Y2 v3 I
- { name: 'Taobao' }
9 K* U; R' `# |0 f5 d$ L: q - ]# Y$ O8 y* ]4 I% {
- }
6 e, C* F- @) X! a$ b - })
; h* p1 @, K f7 {4 V. _ - </script>
复制代码
5 m a/ o1 S, b l8 @
4 g) Q! C/ U8 y1 d模板中使用 v-for: v-for Y/ P( W$ d. n2 A6 \: P+ ]1 N$ P
- <ul>
& u+ s+ w2 H- c; C - <template v-for="site in sites">. W1 x: A" H2 M& D. i* Z
- <li>{{ site.name }}</li>
! C3 C9 Z0 q, V& S& {: b - <li>--------------</li>$ K4 J% Q! p- F* M7 b
- </template> v, k) ]- [+ }; _
- </ul>
复制代码 v-for 迭代对象v-for 可以通过一个对象的属性来迭代数据: v-for
% O5 F/ D, h, ?7 r5 ^8 ?6 w- <div><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;"><</span><span class="hl-reserved" style="border: 0px; color: green; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">div</span><span class="hl-code" style="border: 0px; color: gray; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;"> </span><span class="hl-var" style="border: 0px; color: rgb(0, 0, 139); font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">id</span><span class="hl-code" style="border: 0px; color: gray; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">=</span><span class="hl-quotes" style="border: 0px; color: rgb(139, 0, 0); font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">"</span><span class="hl-string" style="border: 0px; color: rgb(170, 17, 17); font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">app</span><span class="hl-quotes" style="border: 0px; color: rgb(139, 0, 0); font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">"</span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">></span><span class="hl-code" style="border: 0px; color: gray; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">! e: R0 W+ x1 B( U
- </span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;"><</span><span class="hl-reserved" style="border: 0px; color: green; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">ul</span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">></span><span class="hl-code" style="border: 0px; color: gray; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">0 S) G g) A0 C8 c8 k5 D2 x
- </span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;"><</span><span class="hl-reserved" style="border: 0px; color: green; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">li</span><span class="hl-code" style="border: 0px; color: gray; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;"> </span><span class="hl-var" style="border: 0px; color: rgb(0, 0, 139); font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">v-for</span><span class="hl-code" style="border: 0px; color: gray; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">=</span><span class="hl-quotes" style="border: 0px; color: rgb(139, 0, 0); font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">"</span><span class="hl-string" style="border: 0px; color: rgb(170, 17, 17); font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">value in object</span><span class="hl-quotes" style="border: 0px; color: rgb(139, 0, 0); font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">"</span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">></span><span class="hl-code" style="border: 0px; color: gray; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">
+ I0 m: \: ~! G1 r9 q! F - {{ value }}) P9 C& M, g/ x1 `" ?7 P
- </span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;"></</span><span class="hl-reserved" style="border: 0px; color: green; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">li</span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">></span><span class="hl-code" style="border: 0px; color: gray; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">7 V5 p& u9 x) n: H* b+ E/ J
- </span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;"></</span><span class="hl-reserved" style="border: 0px; color: green; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">ul</span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">></span><span class="hl-code" style="border: 0px; color: gray; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">. L. V9 Z6 B6 X7 r# _
- </span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;"></</span><span class="hl-reserved" style="border: 0px; color: green; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">div</span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">></span><span class="hl-code" style="border: 0px; color: gray; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">" L& t J' a! n3 F9 J, A
- 1 v5 D3 M& [) d! P1 a% i1 c
- </span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;"><</span><span class="hl-reserved" style="border: 0px; color: green; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">script</span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">></span><span class="hl-code" style="border: 0px; color: gray; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">) c! @6 d* d! t) `
- new Vue({) c3 G$ H- I( G6 }# P( b/ I, w
- el: '#app',8 R m% K% d; d
- data: {
+ i" H) k! F% J" p - object: {
% }+ h E/ U& Z2 N% Y, z - name: '菜鸟教程',
1 J- `1 s' P3 }) l - url: 'http://www.runoob.com',0 M! ?% A; k3 @; W1 B/ g
- slogan: '学的不仅是技术,更是梦想!'
; S: m/ @( R& }* } - }
' V4 \$ R: ?9 F; `: ]8 t" ]2 ^; d3 ?& @* q - }( `& I5 m( |4 Z1 h4 P4 o
- })" n% y- B, Q9 X. b' `
- </span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;"></</span><span class="hl-reserved" style="border: 0px; color: green; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">script</span><span class="hl-brackets" style="border: 0px; color: olive; font-family: Menlo, Monaco, Consolas, "Andale Mono", "lucida console", "Courier New", monospace; font-size: 13.2px; white-space: pre-wrap;">></span></div><div></div>
复制代码你也可以提供第二个的参数为键名: v-for6 A1 G# C- J G: K y
/ M# T1 o; g* n- `; r2 a) @- <div id="app">
" d; X6 u: ~" S) P - <ul>
5 {/ B+ J+ B; X% p0 r1 u - <li v-for="(value, key) in object">
+ L" w* f0 j! U# o3 j# j v2 _ - {{ key }} : {{ value }}7 H5 C0 Y( ~& g) G5 a1 p
- </li>+ B1 i h3 C s! N* ^( Z! j4 m3 H
- </ul>' i B& U9 s/ p. b, H) Q
- </div>
复制代码第三个参数为索引: v-for
" z, R; T! Q$ R6 q
* |6 D1 h+ l3 M+ B" X1 w/ t- <div id="app">: l$ z' a b, l" g# f
- <ul>
0 u0 C7 v4 j5 G+ C9 h - <li v-for="(value, key, index) in object">/ j& s0 i) V/ B9 y
- {{ index }}. {{ key }} : {{ value }}
9 W8 B7 y6 O/ k: F4 U - </li>4 l& E! Q2 N; W
- </ul>
0 S* V1 g& f7 E4 @ - </div>
复制代码 v-for 迭代整数v-for 也可以循环整数 v-for
' d. l" L4 d9 Q4 \$ h# S6 h: C7 Q/ W9 y5 e9 W
- <div id="app">
3 J5 I/ X' {! Z - <ul> @( I7 P& M& Z$ n" D
- <li v-for="n in 10">
) {& ~) R; w/ |. G$ V - {{ n }}
4 t8 F' T% W& R" E - </li>0 Q2 Q% F: |7 G; D# y7 A- Y6 D0 P
- </ul>7 O( Y/ F8 F& D) R {
- </div>
复制代码 9 e* d3 c) r' n
. l$ @$ P, ? ^+ q% \% U( Z l
% ^ ?+ |7 J* Q# ^! f
: M2 R" z: I, c |
|