數(shù)據(jù)庫中有下劃線的字段在實(shí)體中應(yīng)采用駝峰命名法,如P_NAME對(duì)應(yīng)pName,實(shí)例如下:
1.XML文件中SQL語句配置(Geteway.xml文件)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
<?xml version= "1.0" encoding= "UTF-8" ?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" > <mapper namespace= "com.soecode.hbdw.gateway.dao.GatewayDao" > <cache></cache> <! -- 目的:為dao接口方法提供sql語句配置 --> < select id= "queryById" resultType= "Gateway" parameterType= "int" > <! -- 具體的sql --> SELECT * FROM P_GATEWAY WHERE GATEWAY_ID = #{gatewayId} </ select > < select id= "queryByName" resultType= "Gateway" parameterType= "java.lang.String" > <! -- 具體的sql --> SELECT * FROM P_GATEWAY WHERE GATEWAY_NAME=#{gatewayName} </ select > < delete id= "delGateway" parameterType= "java.lang.Integer" > DELETE FROM P_GATEWAY WHERE GATEWAY_ID = #{gatewayId} </ delete > < update id= "updateGateway" > <! -- ignore 主鍵沖突,報(bào)錯(cuò) --> UPDATE P_GATEWAY SET GATEWAY_NAME= #{gatewayName}, GATEWAY_NUM= #{gatewayNum}, GATEWAY_NATURE= #{gatewayNature}, GATEWAY_SUPPLY= #{gatewaySupply}, REMARK= #{remark} WHERE GATEWAY_ID = #{gatewayId} </ update > </mapper> |
2.entity實(shí)體配置(Gateway.java文件)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
package com.soecode.hbdw.gateway.entity; import java.io. Serializable ; import java.util. Date ; public class Gateway implements Serializable { /** * */ private static final long serialVersionUID = 1L; private int gatewayId; private String gatewayName; private String gatewayNum; private String gatewayNature; private String gatewaySupply; private String remark; public int getGatewayId() { return gatewayId; } public void setGatewayId( int gatewayId) { this.gatewayId = gatewayId; } public String getGatewayName() { return gatewayName; } public void setGatewayName(String gatewayName) { this.gatewayName = gatewayName; } public String getGatewayNum() { return gatewayNum; } public void setGatewayNum(String gatewayNum) { this.gatewayNum = gatewayNum; } public String getGatewayNature() { return gatewayNature; } public void setGatewayNature(String gatewayNature) { this.gatewayNature = gatewayNature; } public String getGatewaySupply() { return gatewaySupply; } public void setGatewaySupply(String gatewaySupply) { this.gatewaySupply = gatewaySupply; } public String getRemark() { return remark; } public void setRemark(String remark) { this.remark = remark; } public static long getSerialversionuid() { return serialVersionUID; } @Override public String toString() { return "Gateway [gatewayId=" + gatewayId + ", gatewayName=" + gatewayName + ", gatewayNum=" + gatewayNum + ", gatewayNature=" + gatewayNature + ", gatewaySupply=" + gatewaySupply + ", remark=" + remark + "]" ; } } |
以上所述是小編給大家介紹的Oracle在Mybatis中SQL語句的配置 ,希望對(duì)大家有所幫助,如果大家有任何疑問歡迎給我留言,小編會(huì)及時(shí)回復(fù)大家的!
原文鏈接:http://blog.csdn.net/jnx1142410525/article/details/63252802