为方便起见，使用oracle自带的scott账户中的emp表作为数据源。
预期效果：
1.输入URL：http://localhost:8888/ssm/getEmp?empno=7369
2.返回结果如下：
实现过程：
1.引入所需jar包：
1 <dependencies> 2 <dependency> 3 <groupId>jstl</groupId> 4 <artifactId>jstl</artifactId> 5 <version>1.1.2</version> 6 </dependency> 7 <!-- https://mvnrepository.com/artifact/taglibs/standard --> 8 <dependency> 9 <groupId>taglibs</groupId> 10 <artifactId>standard</artifactId> 11 <version>1.1.2</version> 12 </dependency> 13 <dependency> 14 <groupId>com.fasterxml.jackson.core</groupId> 15 <artifactId>jackson-core</artifactId> 16 <version>2.8.9</version> 17 </dependency> 18 <dependency> 19 <groupId>com.fasterxml.jackson.core</groupId> 20 <artifactId>jackson-databind</artifactId> 21 <version>2.8.9</version> 22 </dependency> 23 <dependency> 24 <groupId>com.fasterxml.jackson.core</groupId> 25 <artifactId>jackson-annotations</artifactId> 26 <version>2.8.9</version> 27 </dependency> 28 <dependency> 29 <groupId>junit</groupId> 30 <artifactId>junit</artifactId> 31 <version>3.8.1</version> 32 <scope>test</scope> 33 </dependency> 34 <!-- mybatis-generator-core核心jar包 --> 35 <dependency> 36 <groupId>org.mybatis.generator</groupId> 37 <artifactId>mybatis-generator-core</artifactId> 38 <version>1.3.2</version> 39 </dependency> 40 <!-- c3p0连接池 --><!-- https://mvnrepository.com/artifact/c3p0/c3p0 --> 41 <dependency> 42 <groupId>c3p0</groupId> 43 <artifactId>c3p0</artifactId> 44 <version>0.9.1.2</version> 45 </dependency> 46 47 <!-- 添加连接Oracle的jar包 --> 48 <!-- https://mvnrepository.com/artifact/ojdbc/ojdbc --> 49 <dependency> 50 <groupId>ojdbc</groupId> 51 <artifactId>ojdbc</artifactId> 52 <version>14-10gR3</version> 53 </dependency> 54 <!-- Spring4.3.3 --> 55 <!-- https://mvnrepository.com/artifact/org.springframework/spring-web --> 56 <dependency> 57 <groupId>org.springframework</groupId> 58 <artifactId>spring-web</artifactId> 59 <version>4.3.3.RELEASE</version> 60 </dependency> 61 <!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc --> 62 <dependency> 63 <groupId>org.springframework</groupId> 64 <artifactId>spring-webmvc</artifactId> 65 <version>4.3.3.RELEASE</version> 66 </dependency> 67 <!-- https://mvnrepository.com/artifact/net.sf.json-lib/json-lib-ext-spring 68 <dependency> 69 <groupId>net.sf.json-lib</groupId> 70 <artifactId>json-lib-ext-spring</artifactId> 71 <version>1.0.2</version> 72 </dependency>--> 73 <!-- https://mvnrepository.com/artifact/org.codehaus.jackson/jackson-mapper-asl --> 74 <dependency> 75 <groupId>org.codehaus.jackson</groupId> 76 <artifactId>jackson-mapper-asl</artifactId> 77 <version>1.9.13</version> 78 </dependency> 79 <!-- https://mvnrepository.com/artifact/org.codehaus.jackson/jackson-mapper-lgpl --> 80 <dependency> 81 <groupId>org.codehaus.jackson</groupId> 82 <artifactId>jackson-mapper-lgpl</artifactId> 83 <version>1.9.13</version> 84 </dependency> 85 <!-- https://mvnrepository.com/artifact/org.codehaus.jackson/jackson-core-asl --> 86 <dependency> 87 <groupId>org.codehaus.jackson</groupId> 88 <artifactId>jackson-core-asl</artifactId> 89 <version>1.9.13</version> 90 </dependency> 91 <!-- https://mvnrepository.com/artifact/org.codehaus.jackson/jackson-core-lgpl --> 92 <dependency> 93 <groupId>org.codehaus.jackson</groupId> 94 <artifactId>jackson-core-lgpl</artifactId> 95 <version>1.9.13</version> 96 </dependency> 97 <!-- https://mvnrepository.com/artifact/org.springframework/spring-jdbc --> 98 <dependency> 99 <groupId>org.springframework</groupId> 100 <artifactId>spring-jdbc</artifactId> 101 <version>4.3.3.RELEASE</version> 102 </dependency> 103 <!-- https://mvnrepository.com/artifact/org.springframework/spring-context --> 104 <dependency> 105 <groupId>org.springframework</groupId> 106 <artifactId>spring-context</artifactId> 107 <version>4.3.3.RELEASE</version> 108 </dependency> 109 <!-- https://mvnrepository.com/artifact/org.springframework/spring-core --> 110 <dependency> 111 <groupId>org.springframework</groupId> 112 <artifactId>spring-core</artifactId> 113 <version>4.3.3.RELEASE</version> 114 </dependency> 115 <!-- https://mvnrepository.com/artifact/org.springframework/spring-aop --> 116 <dependency> 117 <groupId>org.springframework</groupId> 118 <artifactId>spring-aop</artifactId> 119 <version>4.3.3.RELEASE</version> 120 </dependency> 121 <!-- 与spring-aop相关的jar包 --> 122 <!-- https://mvnrepository.com/artifact/aopalliance/aopalliance --> 123 <dependency> 124 <groupId>aopalliance</groupId> 125 <artifactId>aopalliance</artifactId> 126 <version>1.0</version> 127 </dependency> 128 <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjrt --> 129 <dependency> 130 <groupId>org.aspectj</groupId> 131 <artifactId>aspectjrt</artifactId> 132 <version>1.8.9</version> 133 </dependency> 134 <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjweaver --> 135 <dependency> 136 <groupId>org.aspectj</groupId> 137 <artifactId>aspectjweaver</artifactId> 138 <version>1.8.9</version> 139 </dependency> 140 <!-- Junit --> 141 <!-- https://mvnrepository.com/artifact/junit/junit --> 142 <dependency> 143 <groupId>junit</groupId> 144 <artifactId>junit</artifactId> 145 <version>4.10</version> 146 </dependency> 147 <!-- JSR303验证 --> 148 <!-- https://mvnrepository.com/artifact/javax.validation/validation-api --> 149 <dependency> 150 <groupId>javax.validation</groupId> 151 <artifactId>validation-api</artifactId> 152 <version>1.1.0.Final</version> 153 </dependency> 154 <!-- https://mvnrepository.com/artifact/org.hibernate/hibernate-validator --> 155 <dependency> 156 <groupId>org.hibernate</groupId> 157 <artifactId>hibernate-validator</artifactId> 158 <version>5.2.4.Final</version> 159 </dependency> 160 161 <!-- 重写equals和hashCode方法的包 --> 162 <!-- https://mvnrepository.com/artifact/commons-lang/commons-lang --> 163 <dependency> 164 <groupId>commons-lang</groupId> 165 <artifactId>commons-lang</artifactId> 166 <version>2.6</version> 167 </dependency> 168 <!-- tiles页面布局 --> 169 <!-- https://mvnrepository.com/artifact/org.apache.tiles/tiles-jsp --> 170 <dependency> 171 <groupId>org.apache.tiles</groupId> 172 <artifactId>tiles-jsp</artifactId> 173 <version>3.0.7</version> 174 </dependency> 175 <!-- log4j --> 176 <!-- https://mvnrepository.com/artifact/log4j/log4j --> 177 <dependency> 178 <groupId>log4j</groupId> 179 <artifactId>log4j</artifactId> 180 <version>1.2.17</version> 181 </dependency> 182 <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-ext --> 183 <dependency> 184 <groupId>org.slf4j</groupId> 185 <artifactId>slf4j-ext</artifactId> 186 <version>1.5.10</version> 187 </dependency> 188 <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-api --> 189 <dependency> 190 <groupId>org.slf4j</groupId> 191 <artifactId>slf4j-api</artifactId> 192 <version>1.5.10</version> 193 </dependency> 194 <!-- https://mvnrepository.com/artifact/org.slf4j/jcl-over-slf4j --> 195 <dependency> 196 <groupId>org.slf4j</groupId> 197 <artifactId>jcl-over-slf4j</artifactId> 198 <version>1.5.10</version> 199 </dependency> 200 <!-- slf4j --> 201 <dependency> 202 <groupId>org.slf4j</groupId> 203 <artifactId>slf4j-log4j12</artifactId> 204 <version>1.5.10</version> 205 </dependency> 206 <!-- AspectJ --> 207 <!-- https://mvnrepository.com/artifact/org.aspectj/aspectjrt --> 208 <dependency> 209 <groupId>org.aspectj</groupId> 210 <artifactId>aspectjrt</artifactId> 211 <version>1.8.9</version> 212 </dependency> 213 <!-- SpringMVC文件上传 --> 214 <!-- https://mvnrepository.com/artifact/commons-io/commons-io --> 215 <dependency> 216 <groupId>commons-io</groupId> 217 <artifactId>commons-io</artifactId> 218 <version>2.4</version> 219 </dependency> 220 <!-- https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload --> 221 <dependency> 222 <groupId>commons-fileupload</groupId> 223 <artifactId>commons-fileupload</artifactId> 224 <version>1.3.1</version> 225 </dependency> 226 <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis --> 227 <dependency> 228 <groupId>org.mybatis</groupId> 229 <artifactId>mybatis</artifactId> 230 <version>3.4.1</version> 231 </dependency> 232 <!-- https://mvnrepository.com/artifact/org.mybatis/mybatis-spring --> 233 <dependency> 234 <groupId>org.mybatis</groupId> 235 <artifactId>mybatis-spring</artifactId> 236 <version>1.3.0</version> 237 </dependency> 238 239 </dependencies>