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本篇內(nèi)容主要講解“idea 怎么從數(shù)據(jù)庫快速生成 Spring Data JPA 實(shí)體類”,感興趣的朋友不妨來看看。本文介紹的方法操作簡單快捷,實(shí)用性強(qiáng)。下面就讓丸趣 TV 小編來帶大家學(xué)習(xí)“idea 怎么從數(shù)據(jù)庫快速生成 Spring Data JPA 實(shí)體類”吧!
idea 從數(shù)據(jù)庫快速生成 Spring Data JPA 實(shí)體類第一步, 調(diào)出 Persistence 窗口.
File— Project Structure— model— + — JPA
第二步: 打開 Persistence 窗口配置 生成實(shí)體類的參數(shù)
1. 數(shù)據(jù)源, 即鏈接數(shù)據(jù)庫的信息, 按要求填寫數(shù)據(jù)庫信息即可
2. 生成實(shí)體類的位置.
3. 實(shí)體類名稱前綴. 這里我什么都沒寫.
4. 實(shí)體類名稱后綴. 這里我寫 Entity. 比如數(shù)據(jù)庫表名為 user, 那么生成實(shí)體類為 UserEntity
5. 選擇哪些表的哪些字段生成實(shí)體類. 這里我全選.
6. 生成的實(shí)體類自動添加 JPA 注解.
最后點(diǎn)擊 ok, 就能在我們的項(xiàng)目下看到生成的實(shí)體類
如:
package com.itguang.weixinsell.entity;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
import java.sql.Timestamp;
* @author itguang
* @create
@Entity
@Table(name = product_category , schema = sell , catalog = )
public class ProductCategoryEntity
private int categoryId;
private String categoryName;
private int categoryType;
private Timestamp createTime;
private Timestamp updateTime;
@Id
@Column(name = category_id)
public int getCategoryId() {
return categoryId;
}
public void setCategoryId(int categoryId) {
this.categoryId = categoryId;
}
@Basic
@Column(name = category_name)
public String getCategoryName() {
return categoryName;
}
public void setCategoryName(String categoryName) {
this.categoryName = categoryName;
}
@Basic
@Column(name = category_type)
public int getCategoryType() {
return categoryType;
}
public void setCategoryType(int categoryType) {
this.categoryType = categoryType;
}
@Basic
@Column(name = create_time)
public Timestamp getCreateTime() {
return createTime;
}
public void setCreateTime(Timestamp createTime) {
this.createTime = createTime;
}
@Basic
@Column(name = update_time)
public Timestamp getUpdateTime() {
return updateTime;
}
public void setUpdateTime(Timestamp updateTime) {
this.updateTime = updateTime;
}
@Override
public boolean equals(Object o) { if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ProductCategoryEntity that = (ProductCategoryEntity) o;
if (categoryId != that.categoryId) return false;
if (categoryType != that.categoryType) return false;
if (categoryName != null ? !categoryName.equals(that.categoryName) : that.categoryName != null) return false;
if (createTime != null ? !createTime.equals(that.createTime) : that.createTime != null) return false;
if (updateTime != null ? !updateTime.equals(that.updateTime) : that.updateTime != null) return false;
return true;
}
@Override
public int hashCode() {
int result = categoryId;
result = 31 * result + (categoryName != null ? categoryName.hashCode() : 0);
result = 31 * result + categoryType;
result = 31 * result + (createTime != null ? createTime.hashCode() : 0);
result = 31 * result + (updateTime != null ? updateTime.hashCode() : 0);
return
到此,相信大家對“idea 怎么從數(shù)據(jù)庫快速生成 Spring Data JPA 實(shí)體類”有了更深的了解,不妨來實(shí)際操作一番吧!這里是丸趣 TV 網(wǎng)站,更多相關(guān)內(nèi)容可以進(jìn)入相關(guān)頻道進(jìn)行查詢,關(guān)注我們,繼續(xù)學(xué)習(xí)!