Javascript 控制台结果不正确?当调用getUrlParam函数时
Utils.js:Javascript 控制台结果不正确?当调用getUrlParam函数时,javascript,reactjs,Javascript,Reactjs,Utils.js: // getUrlParam() is get location function getUrlParam(name){ let queryString = window.location.search.split('?')[1], reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)'), result = queryString.match(reg); r
// getUrlParam() is get location function
getUrlParam(name){
let queryString = window.location.search.split('?')[1],
reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)'),
result = queryString.match(reg);
return decodeURIComponent(result[2])
}
登录组件:
class Login extends Component{
constructor(props){
super(props)
this.state = {
redirect: _utils.getUrlParam('redirect')
}
}
}
// _user.login() is backend login interface
// UserInfo include username and password
login(){
_user.login(UserInfo).then((res) => {
console.log(this.state.redirect)
})
}
当我点击按钮时,如果位置是,我想得到的结果是“/category/index”,但现在我得到的结果是“/” 稍微更改正则表达式: 变量名称='重定向'; var reg=new RegExp'^&'+name+'=[^&]*&$'; var url='1〕http://localhost:8088/login?redirect=%2Fcategory%2Findex'; var queryString=url.split'?'[1]; var match=queryString.matchreg;
console.logdecodeURIComponentmatch[2];非常感谢你!我可以问你为什么+名称+不获取/类别/索引?谢谢