te')); return $arr; } /* 遍历用户所有主题 * @param $uid 用户ID * @param int $page 页数 * @param int $pagesize 每页记录条数 * @param bool $desc 排序方式 TRUE降序 FALSE升序 * @param string $key 返回的数组用那一列的值作为 key * @param array $col 查询哪些列 */ function thread_tid_find_by_uid($uid, $page = 1, $pagesize = 1000, $desc = TRUE, $key = 'tid', $col = array()) { if (empty($uid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('uid' => $uid), array('tid' => $orderby), $page, $pagesize, $key, $col); return $arr; } // 遍历栏目下tid 支持数组 $fid = array(1,2,3) function thread_tid_find_by_fid($fid, $page = 1, $pagesize = 1000, $desc = TRUE) { if (empty($fid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('fid' => $fid), array('tid' => $orderby), $page, $pagesize, 'tid', array('tid', 'verify_date')); return $arr; } function thread_tid_delete($tid) { if (empty($tid)) return FALSE; $r = thread_tid__delete(array('tid' => $tid)); return $r; } function thread_tid_count() { $n = thread_tid__count(); return $n; } // 统计用户主题数 大数量下严谨使用非主键统计 function thread_uid_count($uid) { $n = thread_tid__count(array('uid' => $uid)); return $n; } // 统计栏目主题数 大数量下严谨使用非主键统计 function thread_fid_count($fid) { $n = thread_tid__count(array('fid' => $fid)); return $n; } ?>javascript - Redirection using Axios and React - Stack Overflow
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javascript - Redirection using Axios and React - Stack Overflow

programmeradmin3浏览0评论

I have a little problem with Axios and I don't know how to redirect after a signup or a login.

Here is my code:

axios.post("/api/user/signup", { data })
  .then(res => {
    if (res.status === 200) {
      console.log("REDIRECTION avec status => ", res.status);
      // how to redirect here
      <Redirect to = {{ pathname: "/home" }} />
    }

The flow reaches the console.log call but I can't find how to redirect after it in React.

I have a little problem with Axios and I don't know how to redirect after a signup or a login.

Here is my code:

axios.post("/api/user/signup", { data })
  .then(res => {
    if (res.status === 200) {
      console.log("REDIRECTION avec status => ", res.status);
      // how to redirect here
      <Redirect to = {{ pathname: "/home" }} />
    }

The flow reaches the console.log call but I can't find how to redirect after it in React.

Share Improve this question edited Jun 1, 2020 at 4:05 kmoser 9,2833 gold badges26 silver badges44 bronze badges asked Dec 23, 2018 at 2:21 JimJim 6694 gold badges11 silver badges26 bronze badges
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1 Answer 1

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Based on your usage of the Redirect ponent, I assume you are using React Router as the routing-logic library.

React Router (v4) handles routing at rendering time.

This means that redirection will happen when the Redirect ponent is rendered.

One way to control this is by leveraging the state.

In React, changing the state causes a re-rerender.

Here's one approach:

class MyComponent extends React.Component {

  constructor(props) {
    super(props);
    this.state = {
      isSignedUp: false // <-- initialize the signup state as false
    }
  }

  signup() {
    return axios.post("/api/user/signup", { data })
      .then(res => {
        if (res.status === 200) {
          this.setState({ isSignedUp: true }); // after signing up, set the state to true. This will trigger a re-render
        }
  }

  // ...

  render() {
    if (this.state.isSignedUp) {
      // redirect to home if signed up
      return <Redirect to = {{ pathname: "/home" }} />;
    }

    // ... rest of rendering code    
  }
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