datagrip反向生成实体类格式

import com.intellij.database.model.DasTable
import com.intellij.database.model.ObjectKind
import com.intellij.database.util.Case
import com.intellij.database.util.DasUtil
import java.io.*
import java.text.SimpleDateFormat

/*

• Available context bindings:
• SELECTION Iterable
• 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 = javaClassName(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 javax.persistence.Column;”
out.println “import javax.persistence.Entity;”
out.println “import javax.persistence.Table;”
out.println “import java.io.Serializable;”
out.println “import lombok.Getter;”
out.println “import lombok.Setter;”
out.println “import lombok.ToString;”
Set types = new HashSet()

fields.each() {
    types.add(it.type)
}

if (types.contains("Date")) {
    out.println "import java.util.Date;"
}

if (types.contains("InputStream")) {
    out.println "import java.io.InputStream;"
}
out.println ""
out.println "/**\n" +
        " * @Description  \n" +
        " * @Author  LJN\n" +
        " * @Date "+ new SimpleDateFormat("yyyy-MM-dd").format(new Date()) + " \n" +
        " */"
out.println ""
out.println "@Setter"
out.println "@Getter"
out.println "@ToString"
out.println "@Entity"
out.println "@Table ( name =\""+table.getName() +"\" )"
out.println "public class $className  implements Serializable {"
out.println ""
out.println genSerialID()
fields.each() {
    out.println ""
    // 输出注释
    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]", "")}"

    // 输出成员变量
    out.println "\tprivate ${it.type} ${it.name};"
}

// 输出get/set方法

// fields.each() {
// out.println “”
// out.println “\tpublic $it.typeget${it.name.capitalize()}() {”
// out.println “\t\treturn this.KaTeX parse error: Undefined control sequence: \t at position 36: … out.println "\̲t̲}" // ou…{it.name.capitalize()}(${it.type} KaTeX parse error: Undefined control sequence: \t at position 38: … out.println "\̲t̲\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() }.value
    def comm =[
            colName : col.getName(),
            name :  javaName(col.getName(), false),
            type : typeStr,
            commoent: col.getComment(),
            annos: "\t@Column(name = \""+col.getName()+"\",l )"]
    if("id".equals(Case.LOWER.apply(col.getName())))
        comm.annos +=["@Id"]
    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.htm
s = 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 str

if(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;”

}