idea 生成jpa+lombok实体类脚本

import com.intellij.database.model.DasTable
import com.intellij.database.util.Case
import com.intellij.database.util.DasUtil

/*
 *   idea 实体生成器 JPA版
 *   SELECTION   Iterable<DasObject>
 *   PROJECT     project
 *   FILES       files helper
 */

packageName = "com.输入你的包名.entity;"
typeMapping = [
        (~/(?i)int/)                      : "Integer",
        (~/(?i)float|double|decimal|real/): "BigDecimal",
        (~/(?i)datetime|timestamp/)       : "Date",
        (~/(?i)date/)                     : "Date",
        (~/(?i)time/)                     : "Date",
        (~/(?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)
  new File(dir, className + ".java").withPrintWriter { out -> generate(out, className, fields,table.getName()) }
}

def generate(out, className, fields,tableName) {
  out.println "package $packageName"
  out.println ""
  out.println "import com.fasterxml.jackson.annotation.JsonIgnoreProperties;"
  out.println "import lombok.*;"
  out.println "import javax.persistence.*;"
  out.println "import java.util.Date;"
  out.println "import java.util.List;"
  out.println ""
  out.println ""
  out.println ""
  out.println "@Getter"
  out.println "@Setter"
  out.println "@Builder"
  out.println "@AllArgsConstructor"
  out.println "@EqualsAndHashCode"
  out.println "@Entity"
  out.println "@Table(name = \"$tableName\")"
  out.println "public class $className {"
  out.println ""
  out.println "public $className() {super();}"
  out.println ""
  out.println "@Id"
  out.println "@GeneratedValue(strategy = GenerationType.IDENTITY)"
  fields.each() {
    if (it.annos != "") out.println "  ${it.annos}"
    out.println "  private ${it.type} ${it.name};"
  }
  out.println ""
//  fields.each() {
//    out.println ""
//    out.println "  public ${it.type} get${it.name.capitalize()}() {"
//    out.println "    return ${it.name};"
//    out.println "  }"
//    out.println ""
//    out.println "  public void set${it.name.capitalize()}(${it.type} ${it.name}) {"
//    out.println "    this.${it.name} = ${it.name};"
//    out.println "  }"
//    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
    fields += [[
                       name : javaName(col.getName(), false),
                       type : typeStr,
                       annos: ""]]
  }
}

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]
}