看代码:
Vue提供了强大的前端开发架构,很多时候我们需要判断数据对象是否为空,使用typeof判断是个不错选择,具体代码见图。
补充知识:vue打包后 history模式 跟子目录 静态文件路径 分析
history
根目录
路由mode变为history后,需要在服务器配置 url重写,在根目录 创建web.config文件 加下面内容复制进去
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<? xml version = "1.0" encoding = "utf-8" ?>
< configuration >
< system.webServer >
< rewrite >
< rules >
< rule name = "Handle History Mode and custom 404/500" stopProcessing = "true" >
< match url = "(.*)" />
< conditions logicalGrouping = "MatchAll" >
< add input = "{REQUEST_FILENAME}" matchType = "IsFile" negate = "true" />
< add input = "{REQUEST_FILENAME}" matchType = "IsDirectory" negate = "true" />
</ conditions >
< action type = "Rewrite" url = "/index.html" />
</ rule >
</ rules >
</ rewrite >
</ system.webServer >
</ configuration >
|
background: url('/static/logo.png') no-repeat center/ 50%; 跟路径 / 和 相对路径
<img src="/static/logo.png" js" id="highlighter_800544">
123456<img :src=
"image"
alt=
""
srcset=
""
> 跟路径 / 和../
data () {
return
{
image:
'../static/logo.png'
}
}