SSM框架中的Mapper.xml文件中的增、删、改、查等操作

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18     
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29     
30         userid,loginname,loginpass,username,upower,birthday,sex
31     
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35     
36         
37         
38         select  from userinfo
39                     
40                 loginname=#{loginname} and loginpass=#{loginpass}
41         
42     
43     
44     
45     
46         
47         select  from userinfo
48     
49     
50     
51     
52         
53         select  from userinfo
54         userid=#{userid}
55     
56     
57     
58      
59          update userinfo 
60          set loginname=#{loginname},loginpass=#{loginpass},username=#{username},
61              upower=#{upower},birthday=#{birthday},sex=#{sex}
62          where userid=#{userid}     
63      
64      
65     
66     
67         insert into userinfo() 
68         values
69         (#{userid},#{loginname},#{loginpass},#{username},#{upower},#{birthday},#{sex})
70     
71         
72     
73     
74         delete from userinfo where userid=#{userid}
75     
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78     
79         
80         select  from userinfo
81         
82         
83             <if test="username == null and username = '' and upower == -1">
84                 and 1=1
85             if>
86             <if test="username != null and username !=''">
87                 and username LIKE '%${username}%' 
88             if>        
89             <if test="upower != -1">
90                 and upower=#{upower} 
91             if>            
92         
93     
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后续-----

转载于:https://www.cnblogs.com/dqh94/p/7404100.html