react的函数式编程分页的时候还有查询条件,当翻页或者有查询条件的时候去调用接口,查询条件是个对象,如何实现,具体的代码

import React, { useState, useEffect } from 'react';
import axios from 'axios';

const API_BASE_URL = 'https://api.example.com/data';

const MyComponent = () => {
  const [data, setData] = useState([]);
  const [currentPage, setCurrentPage] = useState(1);
  const [totalPages, setTotalPages] = useState(1);
  const [query, setQuery] = useState({ keyword: '', category: '' });

  useEffect(() => {
    const fetchData = async () => {
      try {
        const response = await axios.get(`${API_BASE_URL}`, {
          params: {
            page: currentPage,
            keyword: query.keyword,
            category: query.category,
          },
        });
        setData(response.data.results);
        setTotalPages(response.data.totalPages);
      } catch (error) {
        console.error('Error fetching data:', error);
      }
    };

    fetchData();
  }, [currentPage, query]);

  const handlePageChange = (newPage) => {
    setCurrentPage(newPage);
  };

  const handleQueryChange = (field, value) => {
    setQuery((prevQuery) => ({
      ...prevQuery,
      [field]: value,
    }));
  };

  return (
    
handleQueryChange('keyword', e.target.value)} placeholder="Enter keyword" /> handleQueryChange('category', e.target.value)} placeholder="Enter category" />
    {data.map((item) => (
  • {item.name}
  • ))}
Page {currentPage} of {totalPages}
); }; export default MyComponent;

ts

import React, { useState, useEffect } from 'react';
import axios from 'axios';

interface Item {
  id: number;
  name: string;
  // 添加其他属性
}

interface ApiResponse {
  results: Item[];
  totalPages: number;
}

interface Query {
  keyword: string;
  category: string;
  // 添加其他查询条件
}

const API_BASE_URL = 'https://api.example.com/data';

const MyComponent: React.FC = () => {
  const [data, setData] = useState([]);
  const [currentPage, setCurrentPage] = useState(1);
  const [totalPages, setTotalPages] = useState(1);
  const [query, setQuery] = useState({ keyword: '', category: '' });

  useEffect(() => {
    const fetchData = async () => {
      try {
        const response = await axios.get(API_BASE_URL, {
          params: {
            page: currentPage,
            keyword: query.keyword,
            category: query.category,
          },
        });
        setData(response.data.results);
        setTotalPages(response.data.totalPages);
      } catch (error) {
        console.error('Error fetching data:', error);
      }
    };

    fetchData();
  }, [currentPage, query]);

  const handlePageChange = (newPage: number) => {
    setCurrentPage(newPage);
  };

  const handleQueryChange = (field: keyof Query, value: string) => {
    setQuery((prevQuery) => ({
      ...prevQuery,
      [field]: value,
    }));
  };

  return (
    
handleQueryChange('keyword', e.target.value)} placeholder="Enter keyword" /> handleQueryChange('category', e.target.value)} placeholder="Enter category" />
    {data.map((item) => (
  • {item.name}
  • ))}
Page {currentPage} of {totalPages}
); }; export default MyComponent;

在这个示例中,Item 表示每个数据项的类型,ApiResponse 表示 API 返回的数据类型,Query 表示查询条件的类型。使用 TypeScript 可以提供更好的类型检查,确保代码的稳定性。

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