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IDEA Groovy 脚本一键生成实体类＜mybatisplus＞

news 2025/8/17 8:46:28

配置数据库（mysql）

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一键生成（右键点击table）

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配置自己的groovy脚本

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import com.intellij.database.model.DasTable
import com.intellij.database.util.Case
import com.intellij.database.util.DasUtil
import com.intellij.database.model.ObjectKind
import java.io.*
import java.text.SimpleDateFormat
/** Available context bindings:*   SELECTION   Iterable<DasObject>*   PROJECT     project*   FILES       files helper*/
packageName = ""
typeMapping = [(~/(?i)tinyint|smallint|mediumint/)      : "Integer",(~/(?i)int/)                             : "Long",(~/(?i)bool|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\\.)?", "") + ";"
}def generate(out, className, fields,table) {out.println "package $packageName"out.println ""out.println "import com.baomidou.mybatisplus.annotation.IdType;"out.println "import com.baomidou.mybatisplus.annotation.TableId;"out.println "import com.baomidou.mybatisplus.annotation.TableName;"out.println "import lombok.AllArgsConstructor;"out.println "import lombok.Builder;"out.println "import lombok.Data;"out.println "import lombok.NoArgsConstructor;"out.println ""Set types = new HashSet()fields.each() {types.add(it.type)}if (types.contains("Date")) {out.println "import java.util.Date;"out.println ""}if (types.contains("InputStream")) {out.println "import java.io.InputStream;"}//  out.println "/**\n" +
//          " * @Description  \n" +
//          " * @Author  yanlp\n" +
//          " * @Date "+ new SimpleDateFormat("yyyy-MM-dd").format(new Date()) + " \n" +
//          " */"
//  out.println ""out.println "@Data"out.println "@Builder"out.println "@AllArgsConstructor"out.println "@NoArgsConstructor"out.println "@TableName(\"" + table.getName() + "\")"// out.println "public class $className  implements Serializable {"out.println "public class $className {"
//  out.println ""
//  out.println genSerialID()fields.each() {out.println ""// 输出注释if (isNotEmpty(it.comment)) {out.println "    /**"out.println "     * ${it.comment.toString()}"out.println "     */"}if (it.annos != "") out.println "${it.annos.replace("[@Id]", "")}"// 输出成员变量out.println "    private ${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() }.valuedef comm =[colName : col.getName(),name :  javaName(col.getName(), false),type : typeStr,comment: col.getComment(),// annos: "\t@Column(name = \""+col.getName()+"\" )"]annos: ""]if("id".equals(Case.LOWER.apply(col.getName())))comm.annos = "    @TableId(type = IdType.AUTO)"fields += [comm]}
}// 处理类名（这里是因为我的表都是以t_命名的，所以需要处理去掉生成类名时的开头的T，
// 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T// http://developer.51cto.com/art/200906/129168.htmls = s[1..s.size() - 1]capitalize || s.length() == 1? 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 strif(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;"
}