将Excel导出为SQL语句

需求说明：公司做项目前进行需求分析，确定表结构后需要建表，如果照着表格去敲，那就太麻烦了，所以想到了自动生成SQL语句。

 

思路大概就是：解析Excel，拼接SQL语句，输出SQL文件。

 

第三方jar包：POI（解析Excel）

先建立一个maven项目。

pom依赖：

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.transition</groupId>
    <artifactId>excel-to-sql</artifactId>
    <version>1.0-SNAPSHOT</version>

    <dependencies>
        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
            <version>3.17</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml</artifactId>
            <version>3.17</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi-ooxml-schemas -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml-schemas</artifactId>
            <version>3.17</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.apache.xmlbeans/xmlbeans -->
        <dependency>
            <groupId>org.apache.xmlbeans</groupId>
            <artifactId>xmlbeans</artifactId>
            <version>2.6.0</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/dom4j/dom4j -->
        <dependency>
            <groupId>dom4j</groupId>
            <artifactId>dom4j</artifactId>
            <version>1.6.1</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <!-- 编译插件 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.7.0</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

 

目录结构

 

Keys.Java

package com.transition.core.common;

public class Keys {
    public static final String TABLE_PRE = "DROP TABLE IF EXISTS ";
    public static final String TABLE_SUFF = "ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT=";
    public static final String C_T = "CREATE TABLE ";
    public static final String N_N = " NOT NULL ";
    public static final String A_I = "AUTO_INCREMENT";
    public static final String P_K = "PRIMARY KEY ";
    public static final String F_K = " FOREIGN KEY ";
    public static final String COMMENT = " COMMENT ";
    public static final String DEFAULT = " DEFAULT ";


}

 

DataTable.Java

package com.transition.core.entity;

import java.util.ArrayList;
import java.util.List;

/**
 * 数据库表
 */
public class DataTable {

    private String tableName;   // 数据库表名
    private String comment;     //数据库注释
    private List<TableField> fields = new ArrayList<>();

    public DataTable() {
    }

    public DataTable(String tableName, String comment) {
        this.tableName = tableName;
        this.comment = comment;
    }

    public String getTableName() {
        return tableName;
    }

    public void setTableName(String tableName) {
        this.tableName = tableName;
    }

    public String getComment() {
        return comment;
    }

    public void setComment(String comment) {
        this.comment = comment;
    }

    public List<TableField> getFields() {
        return fields;
    }

    public void setFields(List<TableField> fields) {
        this.fields = fields;
    }

    @Override
    public String toString() {
        return "DataTable{" +
                "tableName='" + tableName + '\'' +
                ", comment='" + comment + '\'' +
                ", fields=" + fields +
                '}';
    }
}

View Code