基于React实现搜索GitHub用户功能

npx create-react-app github-user-search

npm install axios

// Search.js

import React, { Component } from 'react';

export default class Search extends Component {
  state = {
    keyword: '',
  }

  onChange = (e) => {
    this.setState({ keyword: e.target.value });
  }

  onSearch = () => {
    const { keyword } = this.state;
    const { onSearch } = this.props;
    onSearch(keyword);
  }

  onKeyPress = (e) => {
    if (e.key === 'Enter') {
      this.onSearch();
    }
  }

  render() {
    return (
      <div className="input-group mb-3">
        <input
          type="text"
          className="form-control"
          placeholder="输入关键字"
          onChange={this.onChange}
          onKeyPress={this.onKeyPress}
        />
        <div className="input-group-append">
          <button
            className="btn btn-outline-secondary"
            type="button"
            onClick={this.onSearch}
          >
            搜索
          </button>
        </div>
      </div>
    )
  }
}

// Users.js

import React, { Component } from 'react';
import User from './User';

export default class Users extends Component {
  render() {
    const { users } = this.props;
    return (
      <div className="row row-cols-4 g-4">
        {users.map(user => <User key={user.node_id} user={user} />)}
      </div>
    )
  }
}

// User.js

import React, { Component } from 'react';

export default class User extends Component {
  render() {
    const { user } = this.props;

    return (
      <div className="border p-3 d-flex flex-column align-items-center" style={{ width: '240px' }}>
        <img
          src={user.avatar_url}
          alt={user.node_id}
          className="rounded-circle"
          style={{ width: '50px', height: '50px' }}
        />
        <h4 className="text-primary">{user.login}</h4>
      </div>
    )
  }
}

// App.js

import React, { Component } from 'react';
import axios from 'axios';

import Search from './Search';
import Users from './Users';

export default class App extends Component {
  state = {
    users: [],
  }

  onSearch = async (keyword) => {
    const res = await axios.get(`/api/github/search/users?q=${keyword || 'h'}`);
    if (res && res.data) {
      this.setState({ users: res.data.items || [] });
    }
  }

  render() {
    const { users }

 = this.state;

    return (
      <div className="container" style={{ margin: '20px auto' }}>
        <Search onSearch={this.onSearch} />
        <Users users={users} />
      </div>
    )
  }
}