IDEA Generate pojo（data first）基於 spring data jpa - code

基於 idea 的 pojo生成

右側菜單欄 Database->New( + 圖標)->Data source-> mysql(根據本身的數據源選擇)

 

 

 

 

 

 使用：

 

代碼以下： POJOs.groovy 

import com.intellij.database.model.DasTableimport com.intellij.database.model.ObjectKindimport com.intellij.database.util.Caseimport com.intellij.database.util.DasUtil/* * Available context bindings: *   SELECTION   Iterable<DasObject> *   PROJECT     project *   FILES       files helper */packageName = "com.sephiroth.jpademo.entity;"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 && it.getKind() == ObjectKind.TABLE }.each { generate(it, dir) }}def generate(table, dir) {  def className = javaName(table.getName(), true)  def fields = calcFields(table)  new File(dir, "E_"+className + ".java").withPrintWriter { out -> generate(out, className, fields,table.getName()) }}def generate(out, className, fields ,tablename) {  out.println "package $packageName"  out.println ""  out.println ""  // 引用映射  out.println "import org.hibernate.annotations.GenericGenerator;"  out.println ""  out.println "import javax.persistence.*;"  out.println "import java.io.Serializable;"  // jpa映射  out.println "@Entity"  out.println "@Table(name = \"$tablename\")"  // jpa映射end  out.println "public class E_$className  implements Serializable {"  out.println ""  fields.each() {    if (it.annos != "") out.println "  ${it.annos}"    // 列映射    // 主鍵映射    if (it.name == "id" && it.type == "String") {      out.println """  @GenericGenerator(name = "user-uuid", strategy = "uuid")  @GeneratedValue(generator = "user-uuid")  @Column(name = "id", nullable = false, length = 64)"""    }    else if(it.name == "id") {      out.println """  @GeneratedValue  @Column(name = \"$it.colname\")"""    }    else {      out.println "  @Column(name = \"$it.colname\")"    }    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),                 colname : col.getName(),                 type : typeStr,                 annos: """  /**   * $col.comment   */"""]]  }}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]}