IDEA JPA 视图生成实体类 groovy 脚本

IDEA JPA 视图生成实体类 groovy 脚本

注:部分代码来源于互联网

生成实体类(部分)

package C:.Users.Mxnter.Desktop;

import lombok.Data;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Table;
import java.io.Serializable;
import lombok.Getter;
import lombok.Setter;
import lombok.ToString;
import javax.persistence.Id;

/**
 * @Description  
 * @Author IDEA Auto JPA database tables generate entity Script Mxnter
 * @Date 2019-07-10 
 */


@Entity
@Table ( name ="MG_VIEW_DEC_RECEIVABLES" )
@Data
public class MgViewDecReceivables implements Serializable {


    private static final long serialVersionUID =  8044993785748313550L;
    
    @Id
    @Column(name = "UUID" ) 
    private String uuid;
    
    @Column(name = "COST_NAME" )    
    private String costName;
    
    @Column(name = "APPLY_ID" ) 
    private String applyId;

Generate VIEWs.groovy

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

import java.text.SimpleDateFormat

/*
 * Available context bindings:
 *   SELECTION   Iterable
 *   PROJECT     project
 *   FILES       files helper
 */

packageName = "com.sample;"
typeMapping = [
  (~/(?i)int/)                      : "long",
  (~/(?i)float|double|decimal|real/): "double",
  (~/(?i)datetime|timestamp/)       : "java.sql.Timestamp",
  (~/(?i)date/)                     : "java.sql.Date",
  (~/(?i)time/)                     : "java.sql.Time",
  (~/(?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)
  packageName = getPackageName(dir)
  def fields = calcFields(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 lombok.Data;"
  out.println "import javax.persistence.Column;"
  out.println "import javax.persistence.Entity;"
  out.println "import javax.persistence.Table;"
  out.println "import java.io.Serializable;"
  out.println "import javax.persistence.Id;"
  out.println ""
  out.println "/**\n" +
          " * @Description  \n" +
          " * @Author IDEA Auto JPA database view generate entity Script Mxnter\n" +
          " * @Date "+ new SimpleDateFormat("yyyy-MM-dd").format(new Date()) + " \n" +
          " */"
  out.println ""
  out.println ""

  out.println "@Entity"
  out.println "@Table ( name =\""+table.getName() +"\" )"
  out.println "@Data"
  out.println "public class $className implements Serializable {"
  out.println ""
  out.println ""
  out.println genSerialID()
  fields.each() {
    out.println "\t"
    if (isNotEmpty(it.commoent)) {
      out.println "\t/**"
      out.println "\t * ${it.commoent.toString()}"
      out.println "\t */"
    }

//    if (it.annos != "") out.println "   ${it.annos.replace("[@Id]", "")}"
    out.println "${it.annos}\t"
    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
    fields += [[
                 colName : col.getName(),
                 name : javaName(col.getName(), false),
                 type : typeStr,
                 commoent: col.getComment(),
                 annos: ("UUID".equals(col.getName())?"\t@Id\n":"")+"\t@Column(name = \""+col.getName()+"\" )"]]
  }
}

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]
}

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

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