参考链接:https://blog.csdn.net/u012040909/article/details/89030840
这位大佬是使用了Lombok注解的,没有getset方方法。
下面是我的Generate POJOs.groovy代码
import com.intellij.database.model.DasTable
import com.intellij.database.util.Case
import com.intellij.database.util.DasUtil
import java.time.LocalDate
/*
* Available context bindings:
* SELECTION Iterable<DasObject>
* PROJECT project
* FILES files helper
*/
// 此处指定包路径,路径需要自行维护;
packageName = "com.xxx.xxx.user.po;"
// 此处指定对应的类型映射,可按需修改,目前tinyint如果要映射到自定义枚举类型,只能手动修改
typeMapping = [
(~/(?i)bigint/) : "Long",
(~/(?i)int/) : "Integer",
(~/(?i)NUMBER/) : "Integer",
(~/(?i)tinyint/) : "Boolean",
(~/(?i)float|double|decimal|real/): "BigDecimal",
(~/(?i)time|datetime|timestamp/) : "Date",
(~/(?i)date/) : "Date",
(~/(?i)/) : "String"
]
// 上面用到类和它的导入路径的之间的映射
importMap = [
"BigDecimal" : "java.math.BigDecimal",
"LocalDate" : "java.time.LocalDate",
"LocalDateTime": "java.time.LocalDateTime",
"Date" : "java.util.Date",
]
// 导入路径列表,下面引用的时候会去重,也可以直接声明成一个 HashSet
importList = []
// 弹出选择文件的对话框
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)
//由于表名是T_开头的,这里截取掉
className = className[1..-1]
def writer = new PrintWriter(new OutputStreamWriter(new FileOutputStream(new File(dir, className + ".java")), "utf-8"))
def fields = calcFields(table)
writer.withPrintWriter { out -> generate(out, className, fields, table) }
}
// 从这里开始,拼实体类的具体逻辑代码
def generate(out, className, fields, table) {
out.println "package $packageName"
out.println ""
out.println ""
// 引入所需的包
out.println "import java.io.Serializable;"
out.println "import javax.persistence.Id;"
out.println "import javax.persistence.Table;"
out.println "import tk.mybatis.mapper.annotation.KeySql;"
out.println "import com.hfocean.hwyg.common.mapper.ObjectGenId;"
out.println "import javax.persistence.Column;"
// 去重后导入列表
importList.unique().each() { pkg ->
out.println "import " + pkg + ";"
}
out.println ""
// 添加类注释
out.println "/**"
// 如果添加了表注释,会加到类注释上
if (isNotEmpty(table.getComment())) {
out.println " * " + table.getComment()
}
out.println " *"
out.println " * @author zhuliang"
out.println " * @date " + LocalDate.now()
out.println " */"
// 添加类注解
out.println "@Table(name = \"${table.getName()}\")"
out.println "public class $className implements Serializable {"
out.println ""
boolean isId = true
//序列化id
def random = new Random();
out.println "\tprivate static final long serialVersionUID = "+random.nextLong()+"L;"
// 遍历字段,按下面的规则生成
fields.each() {
// 输出注释
if (isNotEmpty(it.comment)) {
out.println "\t/**"
out.println "\t * ${it.comment}"
out.println "\t */"
}
// 这边默认第一个字段为主键,实际情况大多数如此,遇到特殊情况可能需要手动修改
if (isId) {
out.println "\[email protected]"
out.println "\[email protected](genId = ObjectGenId.class)"
isId = false
}
//添加@Column注解
out.println "\[email protected](name = \"${it.cName}\")"
out.println "\tprivate ${it.type} ${it.name};"
out.println ""
}
// 遍历字段,生成getter setter
fields.each() {
//getter setter
out.println ""
out.println "\tpublic ${it.type} get${it.name.capitalize()}() {"
out.println "\t\treturn ${it.name};"
out.println "\t}"
out.println ""
out.println "\tpublic void set${it.name.capitalize()}(${it.type} ${it.name}) {"
out.println "\t\tthis.${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
// 如果是需要导入的类型,则往list里面添加
if (importMap.containsKey(typeStr)) {
importList.add(importMap.get(typeStr))
}
fields += [[
name : javaName(col.getName(), false),
cName : col.getName(),
type : typeStr,
dbType : col.getDataType(),
comment: col.getComment()
]]
}
}
def isNotEmpty(content) {
return content != null && content.toString().trim().length() > 0
}
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]
}