zoukankan      html  css  js  c++  java
  • React Ant Design+Node.js Express+Mysql实现后端分页(带富文本编辑器)

    home.jsx:

    import React, { Component } from 'react'
    import { Table, Card, Modal, Button, Form, Input, Select, notification } from 'antd'
    import axios from 'axios'
    import qs from 'qs'
    import { PlusOutlined, MinusOutlined } from '@ant-design/icons';
    
    // react-draft-wysiwyg begin
    import { EditorState, convertToRaw, ContentState } from 'draft-js';
    import { Editor } from 'react-draft-wysiwyg';
    import draftToHtml from 'draftjs-to-html';
    import htmlToDraft from 'html-to-draftjs';
    import 'react-draft-wysiwyg/dist/react-draft-wysiwyg.css'
    import './react-draft-wysiwyg.less'
    // react-draft-wysiwyg end
    
    const layout = {
        labelCol: {
            span: 3,
        },
        wrapperCol: {
            span: 19,
        }
    };
    
    export default class Home extends Component {
        state = {
            showRichText: false, // react-draft-wysiwyg
            editorContent: '', // react-draft-wysiwyg
            editorState: '', // react-draft-wysiwyg
            selectedRowKeys: [], // 表格选择项Keys
            selectedRows: [], // 表格选择项Rows
            tableData: [],
            total: 0, // for Pagination
            columns: [
                {
                    title: 'ID',
                    dataIndex: 'id',
                     30,
                },
                {
                    title: '标题',
                    dataIndex: 'title',
                     500,
                    render: (text, record) => <a href="javascript: void(0)" target="_self" onClick={() => this.handleShowDetailBlog(record.id)}>{text}</a>
                },
                {
                    title: '内容',
                    dataIndex: 'content'
                },
            ],
            addModalVisible: false,
            showBlogModalVisible: false,
            blogDetail: ''
        };
    
        /**
         *
         * @react-draft-wysiwyg begin
         */
        handleClearContent = () => {
            this.setState({
                editorState: ''
            })
        }
    
        handleGetText = () => {
            this.setState({
                showRichText: true
            })
        }
    
        onEditorChange = (editorContent) => {
            this.setState({
                editorContent,
            });
        };
    
        onEditorStateChange = (editorState) => {
            this.setState({
                editorState
            });
        };
        // @react-draft-wysiwyg end
    
        onTableSelectChange = (selectedRowKeys, selectedRows) => {
            console.log('selectedRowKeys changed: ', selectedRowKeys);
            console.log('selectedRows changed: ', selectedRows);
            this.setState({ selectedRowKeys, selectedRows });
        };
    
        onSelectChange = selectedRowKeys => {
            console.log('selectedRowKeys changed: ', selectedRowKeys);
            this.setState({ selectedRowKeys });
        };
    
        /**
         * 表格
         */
    
        // 获取表格数据
        getData(pageNumber, pageSize) {
            axios.get(`http://localhost:5555/api/blog_list/?pageSize=${pageSize}&pageNumber=${pageNumber}&sortName=id&sortOrder=desc&_=1595230808893`).then((resp) => {
                let ajaxData = [];
                for (let i = 0; i < resp.data.rows.length; i++) {
                    ajaxData.push({
                        key: resp.data.rows[i].id,
                        id: resp.data.rows[i].id,
                        title: resp.data.rows[i].title,
                        content: resp.data.rows[i].content,
                    });
                }
    
                this.setState({
                    tableData: ajaxData,
                    total: resp.data.total
                })
    
            }, (err) => {
                console.log(err);
            });
        }
    
        onChange = (pageNumber, pageSize) => {
            this.pageNum = pageNumber;
            this.pageSize = pageSize;
            this.getData(pageNumber, pageSize);
        };
    
        /**
         * 添加modal
         */
    
        // for modal
        showAddModal = () => {
            this.setState({
                addModalVisible: true
            })
        }
    
        addModalHandleOk = e => {
            const _this = this;
            this.addModalFormRef.current.validateFields()
                .then(values => {
                    console.log(this.state.editorContent);
                    const params = {
                        title: values.title,
                        content: draftToHtml(convertToRaw(this.state.editorState.getCurrentContent()))
                    };
    
                    axios.post(`http://localhost:5555/api/add_blog`, qs.stringify(params)).then((resp) => {
                        if (resp.ret) {
                            console.log(resp.msg);
                        } else {
                            this.addModalFormRef.current.resetFields();
                            this.setState({
                                editorState: '',
                                addModalVisible: false
                            });
    
                            this.pageNum = 1;
                            this.getData(this.pageNum, this.pageSize);
                        }
                    }, (err) => {
                        console.log(err);
                    });
                })
                .catch(info => {
                    console.log('Validate Failed:', info);
                });
        }
    
        addModalHandCancel = e => {
            this.addModalFormRef.current.resetFields();
            this.setState({
                addModalVisible: false
            })
        }
    
        /**
         * 删除blog
         */
        onDeleteAdministrators = () => {
            let len = this.state.selectedRowKeys.length;
    
            if (len === 0) {
                notification['error']({
                    message: '错误提示',
                    description: '请选择要删除的文章!',
                })
            } else {
                const params = {
                    idArr: JSON.stringify(this.state.selectedRowKeys)
                }
    
                const _this = this;
    
                axios.post(`http://localhost:5555/api/delete_blogs`, qs.stringify(params)).then((resp) => {
                    if (resp.data.ret) {
                        notification['success']({
                            message: '成功提示',
                            description: resp.data.msg,
                        })
    
                        this.pageNum = 1;
                        _this.getData(this.pageNum, this.pageSize);
                    } else {
                        notification['error']({
                            message: '错误提示',
                            description: resp.data.msg,
                        })
                    }
                }, (err) => {
                    notification['error']({
                        message: '错误提示',
                        description: '网络错误,删除失败!'
                    })
                });
            }
        }
    
        // 表单相关
        addModalFormRef = React.createRef(); // 定义一个表单
    
        /**
         * 显示blog Modal
         */
        handleShowDetailBlog = (id) => {
            axios.get(`http://localhost:5555/api/get_blog_detail?id=${id}`, {}).then((resp) => {
                const contentBlock = htmlToDraft(resp.data.content);
                const contentState = ContentState.createFromBlockArray(contentBlock.contentBlocks);
                const editorState = EditorState.createWithContent(contentState);
    
                console.log("contentState:");
                console.log(contentState);
    
                if (resp.data.ret) {
                    this.setState({
                        showBlogModalVisible: true,
                        blogDetail: resp.data.content
                    })
                } else {
    
                }
            }, (err) => {
                console.log(err);
            });
        }
    
        handleShowBlogModalHandleOk = () => {
            this.setState({
                showBlogModalVisible: false
            })
        }
    
        handleShowBlogModalHandleCancel = () => {
            this.setState({
                showBlogModalVisible: false
            })
        }
    
        /**
         * 钩子函数
         */
        componentDidMount() {
            this.getData(1, 10);
        }
    
        render() {
            // 控制表格选择
            const rowSelection = {
                selectedRowKeys: this.state.selectedRowKeys,
                onChange: this.onTableSelectChange
            };
    
            return (<>
                <Card title="博客列表" extra={<span><Button type="primary" ghost size="small" icon={<PlusOutlined />} style={{ marginRight: 15 }} onClick={this.showAddModal}>添加</Button><Button type="primary" ghost size="small" icon={<MinusOutlined />} onClick={() => { this.onDeleteAdministrators() }}>删除</Button></span>} style={{  '100%' }}>
                    <Table
                        onRow={record => {
                            return {
                                onClick: event => { console.log(record) }, // 点击行
                                onDoubleClick: event => { },
                                onContextMenu: event => { },
                                onMouseEnter: event => { }, // 鼠标移入行
                                onMouseLeave: event => { },
                            };
                        }}
                        rowSelection={rowSelection}
                        columns={this.state.columns}
                        dataSource={this.state.tableData}
                        pagination={{
                            current: this.pageNum,
                            total: this.state.total,
                            pageSizeOptions: [5, 10, 20, 50, 100],
                            defaultPageSize: 10,
                            showSizeChanger: true,
                            showQuickJumper: true,
                            showTotal: (total, range) => `共 ${total} 条`,
                            onChange: this.onChange
                        }}
                        bordered
                    >
                    </Table>
    
                    <Modal
                        title="创建"
                        visible={this.state.addModalVisible}
                        width={800}
                        onOk={this.addModalHandleOk}
                        onCancel={this.addModalHandCancel}
                        okText="确认"
                        cancelText="取消"
                        maskClosable={false}
                        destroyOnClose={true}
                    >
                        <Form {...layout} ref={this.addModalFormRef} name="control-ref" preserve={false}>
                            <Form.Item label="标题" style={{ marginBottom: 0 }}>
                                <Form.Item
                                    name="title"
                                    style={{ display: 'inline-block',  'calc(100% - 8px)', marginRight: 15 }}
                                    rules={[
                                        {
                                            required: true,
                                            message: "标题不能为空"
                                        }
                                    ]}
                                >
                                    <Input />
                                </Form.Item>
                            </Form.Item>
                            <Form.Item label="内容" style={{ marginBottom: 0 }}>
                                <Form.Item
                                    name="content"
                                    style={{ display: 'inline-block',  'calc(100% - 8px)' }}
                                    rules={[
                                        {
                                            required: true,
                                            message: "内容不能为空"
                                        }
                                    ]}
                                >
                                    <Editor
                                        editorState={this.state.editorState}
                                        wrapperClassName="demo-wrapper"
                                        editorClassName="demo-editor"
                                        onEditorStateChange={this.onEditorStateChange}
                                    />
                                    {/* <TextArea rows={4} /> */}
                                </Form.Item>
                            </Form.Item>
                        </Form>
                    </Modal>
    
                    <Modal
                        title="详情"
                        visible={this.state.showBlogModalVisible}
                        width={800}
                        onOk={this.handleShowBlogModalHandleOk}
                        onCancel={this.handleShowBlogModalHandleCancel}
                        okText="确定"
                        cancelText="取消"
                        maskClosable={false}
                        destroyOnClose={true}
                        footer={null}
                    >
                        <div dangerouslySetInnerHTML={{ __html: this.state.blogDetail }} style={{ height: 400, overflow: 'auto' }} />
    
                    </Modal>
                </Card>
            </>
            )
        }
    }

    package.json:

    {
      "name": "antd-demo",
      "version": "0.1.0",
      "private": true,
      "dependencies": {
        "@ant-design/icons": "^4.2.1",
        "@babel/core": "7.9.0",
        "@svgr/webpack": "4.3.3",
        "@testing-library/jest-dom": "^4.2.4",
        "@testing-library/react": "^9.3.2",
        "@testing-library/user-event": "^7.1.2",
        "@tinymce/tinymce-react": "^3.8.4",
        "@typescript-eslint/eslint-plugin": "^2.10.0",
        "@typescript-eslint/parser": "^2.10.0",
        "antd": "^4.7.0",
        "axios": "^0.19.2",
        "babel-eslint": "10.1.0",
        "babel-jest": "^24.9.0",
        "babel-loader": "8.1.0",
        "babel-plugin-import": "^1.13.0",
        "babel-plugin-named-asset-import": "^0.3.6",
        "babel-preset-react-app": "^9.1.2",
        "camelcase": "^5.3.1",
        "case-sensitive-paths-webpack-plugin": "2.3.0",
        "css-loader": "3.4.2",
        "dotenv": "8.2.0",
        "dotenv-expand": "5.1.0",
        "draft-js": "^0.11.7",
        "draftjs-to-html": "^0.9.1",
        "echarts": "^4.9.0",
        "echarts-for-react": "^2.0.16",
        "eslint": "^6.6.0",
        "eslint-config-react-app": "^5.2.1",
        "eslint-loader": "3.0.3",
        "eslint-plugin-flowtype": "4.6.0",
        "eslint-plugin-import": "2.20.1",
        "eslint-plugin-jsx-a11y": "6.2.3",
        "eslint-plugin-react": "7.19.0",
        "eslint-plugin-react-hooks": "^1.6.1",
        "file-loader": "4.3.0",
        "fs-extra": "^8.1.0",
        "html-to-draftjs": "^1.5.0",
        "html-webpack-plugin": "4.0.0-beta.11",
        "identity-obj-proxy": "3.0.0",
        "jest": "24.9.0",
        "jest-environment-jsdom-fourteen": "1.0.1",
        "jest-resolve": "24.9.0",
        "jest-watch-typeahead": "0.4.2",
        "mini-css-extract-plugin": "0.9.0",
        "optimize-css-assets-webpack-plugin": "5.0.3",
        "pnp-webpack-plugin": "1.6.4",
        "postcss-flexbugs-fixes": "4.1.0",
        "postcss-loader": "3.0.0",
        "postcss-normalize": "8.0.1",
        "postcss-preset-env": "6.7.0",
        "postcss-safe-parser": "4.0.1",
        "qs": "^6.9.4",
        "react": "^16.13.1",
        "react-app-polyfill": "^1.0.6",
        "react-dev-utils": "^10.2.1",
        "react-dom": "^16.13.1",
        "react-draft-wysiwyg": "^1.14.5",
        "react-router": "^4.2.0",
        "react-router-dom": "^4.2.0",
        "react-transition-group": "^4.4.1",
        "redux": "^4.0.5",
        "resolve": "1.15.0",
        "resolve-url-loader": "3.1.1",
        "sass-loader": "8.0.2",
        "semver": "6.3.0",
        "style-loader": "0.23.1",
        "terser-webpack-plugin": "2.3.5",
        "ts-pnp": "1.1.6",
        "url-loader": "2.3.0",
        "webpack": "4.42.0",
        "webpack-dev-server": "3.10.3",
        "webpack-manifest-plugin": "2.2.0",
        "workbox-webpack-plugin": "4.3.1"
      },
      "scripts": {
        "start": "node scripts/start.js",
        "build": "node scripts/build.js",
        "test": "node scripts/test.js"
      },
      "eslintConfig": {
        "extends": "react-app"
      },
      "proxy": "http://localhost:9999",
      "homepage": ".",
      "browserslist": {
        "production": [
          ">0.2%",
          "not dead",
          "not op_mini all"
        ],
        "development": [
          "last 1 chrome version",
          "last 1 firefox version",
          "last 1 safari version"
        ]
      },
      "jest": {
        "roots": [
          "<rootDir>/src"
        ],
        "collectCoverageFrom": [
          "src/**/*.{js,jsx,ts,tsx}",
          "!src/**/*.d.ts"
        ],
        "setupFiles": [
          "react-app-polyfill/jsdom"
        ],
        "setupFilesAfterEnv": [
          "<rootDir>/src/setupTests.js"
        ],
        "testMatch": [
          "<rootDir>/src/**/__tests__/**/*.{js,jsx,ts,tsx}",
          "<rootDir>/src/**/*.{spec,test}.{js,jsx,ts,tsx}"
        ],
        "testEnvironment": "jest-environment-jsdom-fourteen",
        "transform": {
          "^.+\.(js|jsx|ts|tsx)$": "<rootDir>/node_modules/babel-jest",
          "^.+\.css$": "<rootDir>/config/jest/cssTransform.js",
          "^(?!.*\.(js|jsx|ts|tsx|css|json)$)": "<rootDir>/config/jest/fileTransform.js"
        },
        "transformIgnorePatterns": [
          "[/\\]node_modules[/\\].+\.(js|jsx|ts|tsx)$",
          "^.+\.module\.(css|sass|scss)$"
        ],
        "modulePaths": [],
        "moduleNameMapper": {
          "^react-native$": "react-native-web",
          "^.+\.module\.(css|sass|scss)$": "identity-obj-proxy"
        },
        "moduleFileExtensions": [
          "web.js",
          "js",
          "web.ts",
          "ts",
          "web.tsx",
          "tsx",
          "json",
          "web.jsx",
          "jsx",
          "node"
        ],
        "watchPlugins": [
          "jest-watch-typeahead/filename",
          "jest-watch-typeahead/testname"
        ]
      },
      "devDependencies": {
        "less": "^3.12.2",
        "less-loader": "^6.2.0"
      }
    }

    Express main.js:

    const express = require("express")
    const fs = require("fs")
    const mysql = require("mysql")
    const util = require("util")
    const {getNow} = require("./tool")
    
    const app = express();
    const bodyParser = require("body-parser");
    const { nextTick } = require("process");
    app.use("/static/", express.static("./static/"));
    app.use('/node_modules/', express.static('./node_modules/'));
    app.engine("html", require("express-art-template"))
    app.use(bodyParser.urlencoded({ extended: false }))
    app.use(bodyParser.json())
    
    const connection = mysql.createConnection({
        host: 'localhost',
        user: 'root',
        password: '12345678',
        database: 'react-ts-blog'
    });
    
    connection.connect();
    
    // 获取所有数据
    app.get("/api/blog_list", (req, res) => {
        let obj = {
            ret: false,
            total: 0,
            rows: [],
            msg: ""
        }
    
        const pageSize = Number(req.query.pageSize);
        const pageNumber = Number(req.query.pageNumber)-1;
    
        connection.query(`SELECT * FROM blog`, (error, results, fields) => {
            if (!error) {
                obj.total = results.length;
                // 分页查询 begin
                connection.query(`SELECT * FROM blog limit ${pageNumber*pageSize}, ${pageSize}`, (error, results, fields) => {
                    if (!error) {
                        obj.ret = true;
                        obj.rows = results;
                        res.header("Access-Control-Allow-Origin", "*");
                        res.type('application/json');
                        res.jsonp(obj);
                    }else{
                        next(error);
                    }
                })
                // 分页查询 end
            }else{
                next(error);
            }
        })
    })
    
    
    app.get("/404", (req, res) => {
        res.render("404.html");
    })
    
    // 配置一个全局错误处理中间件
    app.use(function (err, req, res, next) {
        res.status(500).json({
            err_code: 500,
            message: err.message
        })
    })
    
    app.listen(5555, () => {
        console.log("服务启动成功......");
    })
    /*
    Navicat MySQL Data Transfer
    
    Source Server         : connect1
    Source Server Version : 50717
    Source Host           : localhost:3306
    Source Database       : react-node-blog
    
    Target Server Type    : MYSQL
    Target Server Version : 50717
    File Encoding         : 65001
    
    Date: 2021-01-13 21:57:41
    */
    
    SET FOREIGN_KEY_CHECKS=0;
    
    -- ----------------------------
    -- Table structure for `blog`
    -- ----------------------------
    DROP TABLE IF EXISTS `blog`;
    CREATE TABLE `blog` (
      `id` int(16) NOT NULL AUTO_INCREMENT,
      `title` varchar(255) DEFAULT NULL,
      `content` longblob,
      `datetime` datetime DEFAULT NULL,
      PRIMARY KEY (`id`)
    ) ENGINE=InnoDB AUTO_INCREMENT=45 DEFAULT CHARSET=utf8;
    
    -- ----------------------------
    -- Records of blog
    -- ----------------------------
    INSERT INTO `blog` VALUES ('32', '涓夊ぇ鎸囨暟闆嗕綋鏀惰穼瓒?%鍒涗笟鏉挎寚璺?.84% 姘翠骇鍏绘畺銆佺櫧閰掔瓑鏉垮潡棰嗚穼', 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  • 原文地址:https://www.cnblogs.com/samve/p/14269387.html
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