datagrip集成LOMBOK生成实体类

程序员文章站 2022-07-10 19:25:06

第一步：找到这个文件夹第二步：点击右键创建新文件，文件名随意，但是文件名后缀必须是".groovy";添加如下文件内容：import com.intellij.database.model.DasTableimport com.intellij.database.model.ObjectKindimport com.intellij.database.util.Caseimport com.intellij.database.util.DasUtilimport java.io.*impo...

第一步：找到这个文件夹
datagrip集成LOMBOK生成实体类
第二步：点击右键创建新文件，文件名随意，但是文件名后缀必须是".groovy";
添加如下文件内容：（适合jpa）

import com.intellij.database.model.DasTable
import com.intellij.database.model.ObjectKind
import com.intellij.database.util.Case
import com.intellij.database.util.DasUtil
import java.io.*
import java.text.SimpleDateFormat

/*
 * Available context bindings:
 *   SELECTION   Iterable<DasObject>
 *   PROJECT     project
 *   FILES       files helper
 */
// packageName = ""
//映射字段类型(可自主修改)
typeMapping = [
        (~/(?i)tinyint|smallint|mediumint/)      : "Integer",
        (~/(?i)int/)                             : "Long",
        (~/(?i)bool|boolean|bit/)                : "Boolean",
        (~/(?i)float|double|decimal|real/)       : "Double",
        (~/(?i)datetime|timestamp|date|time/)    : "Date",
        (~/(?i)blob|binary|bfile|clob|raw|image/): "InputStream",
        (~/(?i)/)                                : "String"
]


FILES.chooseDirectoryAndSave("Choose directory", "Choose where to store generated files") { dir ->
    SELECTION.filter { it instanceof DasTable && it.getKind() == ObjectKind.TABLE }.each { generate(it, dir) }
}

def generate(table, dir) {
    def className = javaName(table.getName(), true)
    def fields = calcFields(table)
//    packageName = getPackageName(dir)
    PrintWriter printWriter = new PrintWriter(new OutputStreamWriter(new FileOutputStream(new File(dir, className + ".java")), "UTF-8"))
    printWriter.withPrintWriter {out -> generate(out, className, fields,table)}

//    new File(dir, className + ".java").withPrintWriter { out -> generate(out, className, fields,table) }
}

// 获取包所在文件夹路径
/*
 * def getPackageName(dir) {
 *   return dir.toString().replaceAll("\\\\", ".").replaceAll("/", ".").replaceAll("^.*src(\\.main\\.java\\.)?", "") + ";"
 * }
 */
//添加导包
def generate(out, className, fields,table) {
    // out.println "package $packageName"
    out.println ""
    out.println "import lombok.AllArgsConstructor;"
    out.println "import lombok.Data;"
    out.println "import lombok.NoArgsConstructor;"
    out.println "import javax.persistence.Column;"
    out.println "import javax.persistence.Entity;"
    out.println "import javax.persistence.Id;"
    out.println "import javax.persistence.Table;"
    out.println "import java.io.Serializable;"

    Set types = new HashSet()

    fields.each() {
        types.add(it.type)
    }

    if (types.contains("Date")) {
        out.println "import java.util.Date;"
    }

    if (types.contains("InputStream")) {
        out.println "import java.io.InputStream;"
    }
    out.println ""
    //输出类注释和注解可自行添加和修改
    out.println "/**\n" +
            " * @author  dell\n" +
            " * @date "+ new SimpleDateFormat("yyyy-MM-dd").format(new Date()) + " \n" +
            " */"
    out.println ""
    out.println "@Data"
    out.println "@NoArgsConstructor"
    out.println "@AllArgsConstructor"
    out.println "@Entity"
    out.println "@Table (name =\""+table.getName() +"\")"
    out.println "public class $className  implements Serializable {"
    out.println ""
    out.println genSerialID()

    fields.each() {
        out.println ""
        // 输出注释
        if (isNotEmpty(it.commoent)) {
            out.println "\t/**"
            out.println "\t * ${it.commoent.toString()}"
            out.println "\t */"
        }
        if (it.annos != "") out.println "   ${it.annos}"

        if ((className + "_id").equalsIgnoreCase(it.colName) || "id".equalsIgnoreCase(it.colName)) {
            out.println "\t@Id"
        }

        if ("Date".equalsIgnoreCase(it.type)) {
            out.println '''\t@JsonFormat(pattern="yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")'''
            out.println '''\t@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")'''
        }

        // 输出成员变量
        out.println "\tprivate ${it.type} ${it.name};"

    }

    // 输出get/set方法
//    fields.each() {
//        out.println ""
//        out.println "\tpublic ${it.type} get${it.name.capitalize()}() {"
//        out.println "\t\treturn this.${it.name};"
//        out.println "\t}"
//        out.println ""
//
//        out.println "\tpublic void set${it.name.capitalize()}(${it.type} ${it.name}) {"
//        out.println "\t\tthis.${it.name} = ${it.name};"
//        out.println "\t}"
//    }
    out.println ""
    out.println "}"
}

def calcFields(table) {
    DasUtil.getColumns(table).reduce([]) { fields, col ->
        def spec = Case.LOWER.apply(col.getDataType().getSpecification())
        def typeStr = typeMapping.find { p, t -> p.matcher(spec).find() }.value
        def comm =[
                colName : col.getName(),
                name :  javaName(col.getName(), false),
                type : typeStr,
                commoent: col.getComment(),
                annos: "\t@Column(name = \""+col.getName()+"\" )"]
        fields += [comm]
    }
}

// 处理类名（这里是因为我的表都是以tab_命名的，所以需要处理去掉生成类名时的开头的tab_ 其它的类似具体详情可看代码，
// 如果你不需要那么请查找用到了 javaClassName这个方法的地方修改为 javaName 即可）
def javaClassName(str, capitalize) {
    def s = com.intellij.psi.codeStyle.NameUtil.splitNameIntoWords(str)
            .collect { Case.LOWER.apply(it).capitalize() }
            .join("")
            .replaceAll(/[^\p{javaJavaIdentifierPart}[_]]/, "_")
    // 去除开头的tab,如果是以t开头可以把
    //3..s.size() - 1 中的 3.. 改为 1..
    //并且把后面的 capitalize || s.length() == 3 改为 capitalize || s.length() == 1
    //其它的以此类推
    s = s[3..s.size() - 1]
    capitalize || s.length() == 3? s : Case.LOWER.apply(s[0]) + s[1..-1]
}

def javaName(str, capitalize) {
//    def s = str.split(/(?<=[^\p{IsLetter}])/).collect { Case.LOWER.apply(it).capitalize() }
//            .join("").replaceAll(/[^\p{javaJavaIdentifierPart}]/, "_")
//    capitalize || s.length() == 1? s : Case.LOWER.apply(s[0]) + s[1..-1]
    def s = com.intellij.psi.codeStyle.NameUtil.splitNameIntoWords(str)
            .collect { Case.LOWER.apply(it).capitalize() }
            .join("")
            .replaceAll(/[^\p{javaJavaIdentifierPart}[_]]/, "_")
    capitalize || s.length() == 1? s : Case.LOWER.apply(s[0]) + s[1..-1]
}

def isNotEmpty(content) {
    return content != null && content.toString().trim().length() > 0
}

static String changeStyle(String str, boolean toCamel){
    if(!str || str.size() <= 1)
        return str

    if(toCamel){
        String r = str.toLowerCase().split('_').collect{cc -> Case.LOWER.apply(cc).capitalize()}.join('')
        return r[0].toLowerCase() + r[1..-1]
    }else{
        str = str[0].toLowerCase() + str[1..-1]
        return str.collect{cc -> ((char)cc).isUpperCase() ? '_' + cc.toLowerCase() : cc}.join('')
    }
}

static String genSerialID()
{
    return "\tprivate static final long serialVersionUID =  "+Math.abs(new Random().nextLong())+"L;"
}

第三步：选中要生成实体类的数据库表（可以按住CTRL+鼠标左键连续选中好多个表一次性生成，也可以按数据库生成。）
datagrip集成LOMBOK生成实体类
第四步：生成的POJO+Lombok实体类如下所示：


import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
import java.io.Serializable;

/**
 * @author  dell
 * @date 2020-12-07 
 */

@Data
@NoArgsConstructor
@AllArgsConstructor
@Entity
@Table (name ="user")
public class User  implements Serializable {

	private static final long serialVersionUID =  524258970393766098L;

	/**
	 * 自增id
	 */
   	@Column(name = "user_id" )
	@Id
	private Long userId;

	/**
	 * 登录名
	 */
   	@Column(name = "username" )
	private String username;

	/**
	 * qq官方唯一编号信息
	 */
   	@Column(name = "qq_open_id" )
	private String qqOpenId;

	/**
	 * 登录密码
	 */
   	@Column(name = "password" )
	private String password;

	/**
	 * 邮箱
	 */
   	@Column(name = "user_email" )
	private String userEmail;

	/**
	 * 新用户注册邮件激活唯一校验码
	 */
   	@Column(name = "user_email_code" )
	private String userEmailCode;

	/**
	 * 新用户是否已经通过邮箱激活帐号
	 */
   	@Column(name = "is_active" )
	private String isActive;

	/**
	 * 性别
	 */
   	@Column(name = "user_sex" )
	private String userSex;

	/**
	 * qq
	 */
   	@Column(name = "user_qq" )
	private String userQq;

	/**
	 * 手机
	 */
   	@Column(name = "user_tel" )
	private String userTel;

	/**
	 * 学历
	 */
   	@Column(name = "user_xueli" )
	private String userXueli;

	/**
	 * 爱好
	 */
   	@Column(name = "user_hobby" )
	private String userHobby;

	/**
	 * 简介
	 */
   	@Column(name = "user_introduce" )
	private String userIntroduce;

	/**
	 * 创建时间
	 */
   	@Column(name = "create_time" )
	private Long createTime;

	/**
	 * 修改时间
	 */
   	@Column(name = "update_time" )
	private Long updateTime;

}

OK，到此结束

bug1:提示，生成的实体类，存在外键的实体需要自己添加@id注解，因为重复判断和去除引起的（也就是说存在外键的实体生成的POJO没有@ID主键标识，作者到现在也没有解决，如果有人解决了，请发出来共享，谢谢。）。

再补：适合mybatis的groovy：

import com.intellij.database.model.DasTable
import com.intellij.database.model.ObjectKind
import com.intellij.database.util.Case
import com.intellij.database.util.DasUtil
import java.io.*
import java.text.SimpleDateFormat

/*
 * Available context bindings:
 *   SELECTION   Iterable<DasObject>
 *   PROJECT     project
 *   FILES       files helper
 */
typeMapping = [
        (~/(?i)tinyint|smallint|mediumint/)      : "Integer",
        (~/(?i)int/)                             : "Long",
        (~/(?i)bool|boolean|bit/)                : "Boolean",
        (~/(?i)float|double|decimal|real/)       : "Double",
        (~/(?i)datetime|timestamp|date|time/)    : "Date",
        (~/(?i)blob|binary|bfile|clob|raw|image/): "InputStream",
        (~/(?i)/)                                : "String"
]


FILES.chooseDirectoryAndSave("Choose directory", "Choose where to store generated files") { dir ->
    SELECTION.filter { it instanceof DasTable && it.getKind() == ObjectKind.TABLE }.each { generate(it, dir) }
}

def generate(table, dir) {
    def className = javaName(table.getName(), true)
    def fields = calcFields(table)
    PrintWriter printWriter = new PrintWriter(new OutputStreamWriter(new FileOutputStream(new File(dir, className + ".java")), "UTF-8"))
    printWriter.withPrintWriter {out -> generate(out, className, fields,table)}
}

def generate(out, className, fields,table) {
    out.println ""
    out.println "import lombok.AllArgsConstructor;"
    out.println "import lombok.Data;"
    out.println "import lombok.NoArgsConstructor;"
    out.println "import java.io.Serializable;"

    Set types = new HashSet()

    fields.each() {
        types.add(it.type)
    }

    if (types.contains("Date")) {
        out.println "import java.util.Date;"
    }

    if (types.contains("InputStream")) {
        out.println "import java.io.InputStream;"
    }
    out.println ""
    //输出类注释和注解可自行添加和修改
    out.println "/**\n" +
            " * @author  dell\n" +
            " * @date "+ new SimpleDateFormat("yyyy-MM-dd").format(new Date()) + " \n" +
            " */"
    out.println ""
    out.println "@Data"
    out.println "@NoArgsConstructor"
    out.println "@AllArgsConstructor"
    out.println "public class $className  implements Serializable {"
    out.println ""
    out.println genSerialID()

    fields.each() {
        out.println ""
        // 输出注释
        if (isNotEmpty(it.commoent)) {
            out.println "\t/**"
            out.println "\t * ${it.commoent.toString()}"
            out.println "\t */"
        }


        if ("Date".equalsIgnoreCase(it.type)) {
            out.println '''\t@JsonFormat(pattern="yyyy-MM-dd HH:mm:ss",timezone = "GMT+8")'''
            out.println '''\t@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")'''
        }

        // 输出成员变量
        out.println "\tprivate ${it.type} ${it.name};"
    }
    out.println ""
    out.println "}"
}

def calcFields(table) {
    DasUtil.getColumns(table).reduce([]) { fields, col ->
        def spec = Case.LOWER.apply(col.getDataType().getSpecification())
        def typeStr = typeMapping.find { p, t -> p.matcher(spec).find() }.value
        def comm =[
                colName : col.getName(),
                name :  javaName(col.getName(), false),
                type : typeStr,
                commoent: col.getComment()]
        fields += [comm]
    }
}

// 处理类名（这里是因为我的表都是以tab_命名的，所以需要处理去掉生成类名时的开头的tab_ 其它的类似具体详情可看代码，
// 如果你不需要那么请查找用到了 javaClassName这个方法的地方修改为 javaName 即可）
def javaClassName(str, capitalize) {
    def s = com.intellij.psi.codeStyle.NameUtil.splitNameIntoWords(str)
            .collect { Case.LOWER.apply(it).capitalize() }
            .join("")
            .replaceAll(/[^\p{javaJavaIdentifierPart}[_]]/, "_")
    // 去除开头的tab,如果是以t开头可以把
    //3..s.size() - 1 中的 3.. 改为 1..
    //并且把后面的 capitalize || s.length() == 3 改为 capitalize || s.length() == 1
    //其它的以此类推
    s = s[3..s.size() - 1]
    capitalize || s.length() == 3? s : Case.LOWER.apply(s[0]) + s[1..-1]
}

def javaName(str, capitalize) {
//    def s = str.split(/(?<=[^\p{IsLetter}])/).collect { Case.LOWER.apply(it).capitalize() }
//            .join("").replaceAll(/[^\p{javaJavaIdentifierPart}]/, "_")
//    capitalize || s.length() == 1? s : Case.LOWER.apply(s[0]) + s[1..-1]
    def s = com.intellij.psi.codeStyle.NameUtil.splitNameIntoWords(str)
            .collect { Case.LOWER.apply(it).capitalize() }
            .join("")
            .replaceAll(/[^\p{javaJavaIdentifierPart}[_]]/, "_")
    capitalize || s.length() == 1? s : Case.LOWER.apply(s[0]) + s[1..-1]
}

def isNotEmpty(content) {
    return content != null && content.toString().trim().length() > 0
}

static String changeStyle(String str, boolean toCamel){
    if(!str || str.size() <= 1)
        return str

    if(toCamel){
        String r = str.toLowerCase().split('_').collect{cc -> Case.LOWER.apply(cc).capitalize()}.join('')
        return r[0].toLowerCase() + r[1..-1]
    }else{
        str = str[0].toLowerCase() + str[1..-1]
        return str.collect{cc -> ((char)cc).isUpperCase() ? '_' + cc.toLowerCase() : cc}.join('')
    }
}

static String genSerialID()
{
    return "\tprivate static final long serialVersionUID =  "+Math.abs(new Random().nextLong())+"L;"
}

再补：
tip1:如果是spring boot+mybatis开发，请在spring boot的配置文件中开启驼峰命名规则，如下配置：

mybatis:
  configuration:
#    开启mybatis的驼峰命名支持
    map-underscore-to-camel-case: true

tip2:如果是单独的mybatis开发，添加如下配置到配置文件中：

<configuration>
    <!--开启驼峰命名规则自动转换-->
    <settings>
    <setting name="mapUnderscoreToCamelCase" value="true" />
    </settings>
</configuration>

本文地址：https://blog.csdn.net/qq_44503987/article/details/110843522

datagrip集成LOMBOK生成实体类

【从零开始搭建自己的.NET Core Api框架】（三）集成轻量级ORM——SqlSugar：3.3 自动生成实体类