idea连接数据库
按提示输入信息
编写脚本
右击要自动生成java实体类的表->Scripted Extension->Go To Scriptrs Directory->找到Generate POJOs.groovy
编辑Generate POJOs.groovy;
主要修改packageName 和typeMapping;
import com.intellij.database.model.DasTable
import com.intellij.database.util.Case
import com.intellij.database.util.DasUtil
/*
* Available context bindings:
* SELECTION Iterable<DasObject>
* PROJECT project
* FILES files helper
*/
// 包名
packageName = "com.newheart.video.newheartvideo.domain;"
typeMapping = [
// 数据库字段类型和java实体类型间的映射规则;按需求修改
// 默认int->long; 修改为int
(~/(?i)int/) : "int",
(~/(?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)
def fields = calcFields(table)
new File(dir, className + ".java").withPrintWriter { out -> generate(out, className, fields) }
}
def generate(out, className, fields) {
out.println "package $packageName"
out.println ""
out.println ""
out.println "public class $className {"
out.println ""
fields.each() {
if (it.annos != "") out.println " ${it.annos}"
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),
type : typeStr,
annos: ""]]
}
}
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]
}
生成java实体
Scripted Extension->Generate POJOs.groovy
选择生成位置
生成的实体类
public class Chapter {
private int id;
private int videoId;
private String title;
private int ordered;
private java.sql.Timestamp createTime;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public int getVideoId() {
return videoId;
}
public void setVideoId(int videoId) {
this.videoId = videoId;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public int getOrdered() {
return ordered;
}
public void setOrdered(int ordered) {
this.ordered = ordered;
}
public java.sql.Timestamp getCreateTime() {
return createTime;
}
public void setCreateTime(java.sql.Timestamp createTime) {
this.createTime = createTime;
}
}
转载:https://blog.csdn.net/weixin_42723054/article/details/104435963
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