Helius
2020-12-23 c554c7ad5405bafa149dbb6429e8245f78b33ffc
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
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
<?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.matrix.system.hive.dao.AreaDao">
    
    <resultMap type="Area" id="AreaMap">
            <id property="id" column="id" />
            <result property="name" column="name" />
            <result property="parentId" column="parent_id" />
    </resultMap>
    <!--  插入方法   -->
    <insert id="insert" parameterType="Area"
        useGeneratedKeys="true" keyProperty="id">
        INSERT INTO area (
            id,
            name,
            parent_id
        )
    VALUES (
            #{id},
            #{name},
            #{parentId}
    )
    </insert>
    
    
    <!--  根据id更新 部分更新   -->
    <update id="update" >
        UPDATE area
        <set>
                <if test="name != null and name !='' ">
                    name = #{name},
                </if>        
                <if test="parentId != null and parentId !='' ">
                    parent_id = #{parentId},
                </if>        
        </set>
        WHERE id=#{id} 
    </update>
    
    
    
    <!-- 批量删除 -->
    <delete id="deleteByIds" parameterType="java.util.List">
        delete from area where  id in
        <foreach collection="list" index="index" item="item" open="("
            separator="," close=")">
            #{item}
        </foreach>
    </delete>
        
    <!-- 根据id删除-->
    <delete id="deleteById" >
        DELETE FROM area
        where  id=#{id} 
    </delete>
    
    
    
    <!-- 分页查询 -->
    <select id="selectInPage" resultMap="AreaMap">
        select 
            id,
            name,
            parent_id
        from area
        where 1=1
        <if test="record!=null">
            <if test="record.id != null and record.id !='' ">
                and id
            </if>
            <if test="record.name != null and record.name !='' ">
                and name
            </if>
            <if test="record.parentId != null and record.parentId !='' ">
                and parent_id
            </if>
        </if>
        <if test="pageVo !=null"><!-- 判断pageVo对象是否为空 -->
            <if test="pageVo.sort !=null  and pageVo.order !=null">
                order by
                ${pageVo.sort} ${pageVo.order}
            </if>
            <if test="pageVo.offset >=0  and pageVo.limit >0">
                limit
                #{pageVo.offset},#{pageVo.limit}
            </if>
        </if>
    </select>
    
    <!-- 查询总条数 -->
    <select id="selectTotalRecord"    resultType="java.lang.Integer">
    select count(*)
    from area
        where 1=1
        <if test="record!=null">
            <if test="record.id != null and record.id !='' ">
            and id
            </if>
            <if test="record.name != null and record.name !='' ">
            and name
            </if>
            <if test="record.parentId != null and record.parentId !='' ">
            and parent_id
            </if>
        </if>
    </select>
 
    <!-- 根据id查询-->
    <select id="selectById" resultMap="AreaMap">
        select 
            id,
            name,
            parent_id
        from area
        where  id=#{id} 
    </select>    
    
    <!-- 根据parentId查询-->
    <select id="selectByParentId" resultMap="AreaMap">
        select 
            id,
            name,
            parent_id
        from area
        where  parent_id=#{parentId}
    </select>    
    
    <!-- 根据对象查询-->
    <select id="selectByModel" resultMap="AreaMap">
        select 
            id,
            name,
            parent_id
        from area
        where 1=1
        <if test="record!=null">
            <if test="record.id != null and record.id !='' ">
                and id  =#{record.id}
            </if>
            <if test="record.name != null and record.name !='' ">
                and name  =#{record.name}
            </if>
            <if test="record.parentId != null and record.parentId !='' ">
                and parent_id  =#{record.parentId}
            </if>
        </if>
    </select>
    
    
    
 
    
    
    
    
    
    
</mapper>