效果
2.idea 右侧 1.点击Database 2.点击+号 3.选择Data Source
3.选择MySQL
4.链接数据库
表示链接成功
选择以下
5.点击此文件替换以下内容
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<DasObject>
* PROJECT project
* FILES files helper
*/
packageName = “”
typeMapping = [
(~/(?i)tinyint|smallint|mediumint|bigint/) : “Long”,
(~/(?i)int/) : “Integer”,
(~/(?i)bool|bit/) : “Boolean”,
(~/(?i)float|double|decimal|real/) : “Double”,
(~/(?i)datetime|timestamp|date|time/) : “Timestamp”,
(~/(?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 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) {
def tableName = table.getName()
out.println “package $packageName”
out.println “”
out.println “import lombok.NoArgsConstructor;”
out.println “import lombok.AllArgsConstructor;”
out.println “import lombok.Data;”
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” +
” * @author cyn \n” +
” * @create “+ new SimpleDateFormat(“yyyy-MM-dd HH:mm”).format(new Date()) + ” \n” +
” */”
out.println “”
out.println “@Data”
out.println “@AllArgsConstructor”
out.println “@NoArgsConstructor”
out.println “public class $className {”
fields.each() {
out.println “”
// 输出注释
//if (isNotEmpty(it.comment)) {
out.println “\t/**”
out.println “\t * “+”table name:”+”${it.olderName}”
out.println “\t * “+”table type:”+”${it.olderType}”
out.println “\t * “+”table comment:”+”${it.comment.toString()}”
out.println “\t */”
//}else{
//out.println “\t/**”
//out.println “\t * “+”table name:”+”${it.olderName}”
//out.println “\t * “+”table type:”+”${it.olderType}”
//out.println “\t * “+”table comment: null”
//out.println “\t */”
//}// 输出成员变量
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
def comm =[
colName : col.getName(),
name : javaName(col.getName(), false),
olderName: col.getName(),
type : typeStr,
olderType : col.getDataType().getSpecification(),
comment: col.getComment()]
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，
// 如果你需要那么请查找用到了 javaName 这个方法的地方修改为 javaClassName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
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;”
}
levels
6.再次点击选择
7.选择自己需要生成的目录下
8.效果
上面注解@Data 表示get，set，toString方法
@AllArgsConstructor 全参
@NoArgsConstructor 无参
注解引用需要引入依赖
<!-- lombok依赖 -->
<!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.10</version>
<scope>provided</scope>
</dependency>
JAVA项目下载对应jar包