Idea groovy表生成實體類帶注釋

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1.點開datasourse，打開idea帶的數據庫工具，具體添加數據庫連接，這里不描述。

1. 這時點擊會生成一個poji

   這時生成的pojo中是不帶中文注釋的，需要自己配置，往下：
   3.根據圖中的步驟走，找到groovy配置文件

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   4.根據項目情況，自己定義規則

import com.intellij.database.model.DasTable
import com.intellij.database.util.Case
import com.intellij.database.util.DasUtil
import java.io.*
import java.text.SimpleDateFormat
import com.intellij.database.model.ObjectKind/** Available context bindings:*   SELECTION   Iterable<DasObject>*   PROJECT     project*   FILES       files helper*/packageName = "com.cscec;"
typeMapping = [(~/(?i)tinyint|smallint|mediumint/)      : "Integer",(~/(?i)int/)                             : "Integer",(~/(?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)number/)                          : "Integer",(~/(?i)/)                                : "String"
]FILES.chooseDirectoryAndSave("Choose directory", "Choose where to store generated files") { dir ->SELECTION.filter { it instanceof DasTable }.each { generate(it, dir) }
}def generate(table, dir) {def className = javaName(table.getName(), true)def fields = calcFields(table)packageName = getPackageName(dir)new File(dir, className + ".java").withPrintWriter("utf-8") { out -> generate(out, className, fields, table) }
}// 獲取包所在文件夾路徑
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.KeySequence;"out.println "import com.baomidou.mybatisplus.annotation.TableId;"out.println "import com.cscec.epc.common.BaseOperationEntity;"out.println "import lombok.Data;"Set types = new HashSet()fields.each() {types.add(it.type)}if (types.contains("Date")) {out.println ""out.println "import java.util.Date;"}if (types.contains("InputStream")) {out.println "import java.io.InputStream;"}out.println ""out.println "/**"out.println " * @author on " + new SimpleDateFormat("yyyy/MM/dd").format(new Date()) +"."out.println " */"out.println "@Data"out.println "@KeySequence(value = \"" + table.getName() + "_SEQ\")"out.println "public class $className extends BaseOperationEntity {"out.println ""fields.each() {// 輸出注釋if (isNotEmpty(it.commoent)) {out.println "\t/**"out.println " \t* ${it.commoent.toString()}"out.println " \t*/"}if (it.annos != "") out.println "  ${it.annos}"out.println "\tprivate ${it.type} ${it.name};"}out.println ""out.println "}"
}def isNotEmpty(content) {return content != null && content.toString().trim().length() > 0
}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,commoent: col.getComment(),annos   : ""]if ("id".equals(Case.LOWER.apply(col.getName())))comm.annos = "\t@TableId(value = \"id\", type = IdType.INPUT)"fields += [comm]}
}def javaName(str, capitalize) {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]
}

配置好后，重新回到步驟2生成，即可生成想要的帶中文的實體啦~

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