微信小程序组件解读和分析:一、view(视图容器 )
view组件说明:
视图容器
跟HTML代码中的DIV一样,可以包裹其他的组件,也可以被包裹在其他的组件内部。用起来比较自由随意,没有固定的结构。
view组件的用法:
示例项目的wxml代码:
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< view class = "btnGroup" > < view class = "item orange" >退格</ view > < view class = "item orange" >清屏</ view > < view class = "item orange" >+/-</ view > < view class = "item orange" >+</ view > </ view > < view class = "btnGroup" > < view class = "item blue" >9</ view > < view class = "item blue" >8</ view > < view class = "item blue" >7</ view > < view class = "item orange" >-</ view > </ view > < view class = "btnGroup" > < view class = "item blue" >6</ view > < view class = "item blue" >5</ view > < view class = "item blue" >4</ view > < view class = "item orange" >×</ view > </ view > < view class = "btnGroup" > < view class = "item blue" >3</ view > < view class = "item blue" >2</ view > < view class = "item blue" >1</ view > < view class = "item orange" >÷</ view > </ view > < view class = "btnGroup" > < view class = "item blue" >0</ view > < view class = "item blue" >.</ view > < view class = "item blue" >历史</ view > < view class = "item orange" >=</ view > </ view > |
示例项目的WXSS代码:
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.btnGroup{ display :flex; flex- direction :row; } .orange{ color : #fef4e9 ; border : solid 1px #da7c0c ; background : #f78d1d ; } . blue { color : #d9eef7 ; border : solid 1px #0076a3 ; background : #0095cd ; } |
视图样式flex-direction: row的效果图:
WXML代码如下
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< view class = "flex-wrp" > < view class = "flex-item red" ></ view > < view class = "flex-item green" ></ view > < view class = "flex-item blue" ></ view > </ view > |
WXSS代码如下:
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.flex-wrp{ height : 100px ; display :flex; background-color : #FFFFFF ; } .flex-item{ width : 100px ; height : 100px ; } . red { background : red ; } . green { background : green ; } . blue { background : blue ; } |
视图样式flex-direction: column的效果图:
WXML代码如下:
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< view class = "flex-wrp column" > < view class = "flex-item" style = "background: red" ></ view > < view class = "flex-item" style = "background: green" ></ view > < view class = "flex-item" style = "background: blue" ></ view > </ view > |
WXSS代码如下:
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.column{ flex- direction :column; } .flex-item{ width : 100px ; height : 100px ; } .flex-wrp{ height : 100px ; display :flex; background-color : #FFFFFF ; } . red { background : red ; } . green { background : green ; } . blue { background : blue ; } |
视图样式justify-content: flex-start的效果图:
WXML代码如下:
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< view class = "flex-wrp flex-start" > < view class = "flex-item" style = "background: red" ></ view > < view class = "flex-item" style = "background: green" ></ view > < view class = "flex-item" style = "background: blue" ></ view > </ view > |
WXSS代码如下:
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.flex-start{ flex- direction :row; justify- content : flex-start; } .flex-wrp{ height : 100px ; display :flex; background-color : #FFFFFF ; } .flex-item{ width : 100px ; height : 100px ; } . red { background : red ; } . green { background : green ; } . blue { background : blue ; } |
视图样式justify-content: flex-end的效果图:
WXML代码如下:
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< view class = "flex-wrp flex-end" > < view class = "flex-item" style = "background: red" ></ view > < view class = "flex-item" style = "background: green" ></ view > < view class = "flex-item" style = "background: blue" ></ view > </ view > |
WXSS代码如下:
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.flex-end{ flex- direction :row; justify- content : flex-end; } .flex-wrp{ height : 100px ; display :flex; background-color : #FFFFFF ; } .flex-item{ width : 100px ; height : 100px ; } . red { background : red ; } . green { background : green ; } . blue { background : blue ; } |
视图样式justify-content: center的效果图:
WXML代码如下:
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< view class = "flex-wrp justify-content-center" > < view class = "flex-item" style = "background: red" ></ view > < view class = "flex-item" style = "background: green" ></ view > < view class = "flex-item" style = "background: blue" ></ view > </ view > |
WXSS代码如下:
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.justify-content- center { flex- direction :row; justify- content : center ; } .flex-wrp{ height : 100px ; display :flex; background-color : #FFFFFF ; } .flex-item{ width : 100px ; height : 100px ; } . red { background : red ; } . green { background : green ; } . blue { background : blue ; } |
视图样式justify-content: space-between的效果图:
WXML代码如下:
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< view class = "flex-wrp space-between" > < view class = "flex-item" style = "background: red" ></ view > < view class = "flex-item" style = "background: green" ></ view > < view class = "flex-item" style = "background: blue" ></ view > </ view > |
WXSS代码如下:
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.space-between{ flex- direction :row; justify- content : space-between; } .flex-wrp{ height : 100px ; display :flex; background-color : #FFFFFF ; } .flex-item{ width : 100px ; height : 100px ; } . red { background : red ; } . green { background : green ; } . blue { background : blue ; } |
视图样式justify-content: space-around的效果图:
WXML代码如下:
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< view class = "flex-wrp space-around" > < view class = "flex-item" style = "background: red" ></ view > < view class = "flex-item" style = "background: green" ></ view > < view class = "flex-item" style = "background: blue" ></ view > </ view > |
WXSS代码如下:
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.space-around{ flex- direction :row; justify- content : space-around; } .flex-wrp{ height : 100px ; display :flex; background-color : #FFFFFF ; } .flex-item{ width : 100px ; height : 100px ; } . red { background : red ; } . green { background : green ; } . blue { background : blue ; } |
视图样式align-items: flex-end的效果图:
WXML代码如下:
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< view class = "flex-wrp align-items-flex-end" > < view class = "flex-item" style = "background: red" ></ view > < view class = "flex-item" style = "background: green" ></ view > < view class = "flex-item" style = "background: blue" ></ view > </ view > |
WXSS代码如下:
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.align-items-flex-end{ height : 200px ; flex- direction :row; justify- content : center ; align-items: flex-end; } .flex-wrp{ height : 100px ; display :flex; background-color : #FFFFFF ; } .flex-item{ width : 100px ; height : 100px ; } . red { background : red ; } . green { background : green ; } . blue { background : blue ; } |
视图样式align-items: center的效果图:
WXML代码如下:
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< view class = "flex-wrp align-items-center" > < view class = "flex-item" style = "background: red" ></ view > < view class = "flex-item" style = "background: green" ></ view > < view class = "flex-item" style = "background: blue" ></ view > </ view > |
WXSS代码如下:
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.align-items- center { height : 200px ; flex- direction :row; justify- content : center ; align-items: center ; } .flex-wrp{ height : 100px ; display :flex; background-color : #FFFFFF ; } .flex-item{ width : 100px ; height : 100px ; } . red { background : red ; } . green { background : green ; } . blue { background : blue ; } |
视图样式align-items: flex-start的效果图:
WXML代码如下:
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< view class = "flex-wrp align-items-flex-start" > < view class = "flex-item" style = "background: red" ></ view > < view class = "flex-item" style = "background: green" ></ view > < view class = "flex-item" style = "background: blue" ></ view > </ view > |
WXSS代码如下:
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.align-items-flex-start{ height : 200px ; flex- direction :row; justify- content : center ; align-items: flex-start; } .flex-wrp{ height : 100px ; display :flex; background-color : #FFFFFF ; } .flex-item{ width : 100px ; height : 100px ; } . red { background : red ; } . green { background : green ; } . blue { background : blue ; } |
排列方式(flex-direction),用于wxss
属性
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描述
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row
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横向排列
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column
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纵向排列
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弹性项目内容对齐(justify-content),用于wxss
属性
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描述
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flex-start
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弹性项目向行头紧挨着填充
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flex-end
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弹性项目向行尾紧挨着填充
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center
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弹性项目居中紧挨着填充
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space-between
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弹性项目平均分布在该行上
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space-around
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弹性项目平均分布在该行上,两边留有一半的间隔空间
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项目在容器内侧轴方位的对齐方式(align-items),用于wxss
属性
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描述
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stretch
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默认值,弹性项目被拉伸以适应容器
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center
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弹性项目位于容器的中心
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flex-start
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弹性项目位于容器的开头
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flex-end
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弹性项目位于容器的结尾
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baseline
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弹性项目位于容器的基线上
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posted on 2017-03-28 22:19 微信开发--51小程序 阅读(1830) 评论(0) 编辑 收藏 举报