这里的字段名name不能用``选取 2.4、json字段处理语法不同 -- mysql语法: WHERE keywords_json->'$.name' LIKE CONCAT('%', ?, '%') -- postgreSQL语法: WHERE keywords_json ->>'name' LIKE CONCAT('%', ?, '%') 获取json字段子属性的值mysql是用 -> '$.xxx'的语法去选取的, 而 postgreSQL ...
--第一步:配置数据源--><beanid="dataSource"class="com.mchange.v2.c3p0.ComboPooledDataSource"><propertyname="jdbcUrl"value="jdbc:postgresql://127.0.0.1:5432/hcs"></property><propertyname="driverClass"value="org.postgresql.Driver"></property><propertyname="user"value="postgres"></property>...
<property name="driverClassName" value="com.mysql.jdbc.Driver"/> <property name="username" value="账号" /> <property name="password" value="密码" /> <!-- 初始化连接大小 --> <property name="initialSize" value="0" /> <!-- 连接池最大使用连接数量 --> <property name="maxActive" va...
@ConfigurationpublicclassDruidConfig{@Value("${spring.datasource.druid.url}")privateString dbUrl;@Value("${spring.datasource.druid.username}")privateString username;@Value("${spring.datasource.druid.password}")privateString password;@Value("${spring.datasource.druid.driverClassName}")privateString dr...
spring.datasource.url=jdbc:postgresql://localhost:5432/testspring.datasource.username=postgresspring.datasource.password=123456spring.datasource.driver-class-name=org.postgresql.Driverspring.jpa.properties.hibernate.dialect=org.hibernate.dialect.PostgreSQLDialectspring.jpa.properties.hibernate.hbm2ddl.auto=creat...
driver-class-name: com.mysql.cj.jdbc.Driver cloud: nacos: discovery: #指定nacos server的地址 server-addr: localhost:8848 application: # 服务名称尽量用-,不要用_,不要有特殊字符 name: user-center 1. 2. 3. 4. 5. 6. 7. 8. 9.
publicclassPostgresqlConnect{staticString url="jdbc:postgresql://127.0.0.1:5432/test";staticString usr="postgres";staticString psd="123456";publicstaticvoidmain(String args[]){Connection c=null;Statement stmt=null;ResultSet rs=null;try{Class.forName("org.postgresql.Driver");c=DriverManager.getConnect...
在用jdbc的org.postgresql.Driver时卡住了, 代码如下:driveName = "org.postgresql.Driver";logger_.log("drive Name: "+driveName);try {Class.forName(driveName);}catch(Exception e){logger_.log("catch exception while load postgresql driver: " + e.toString());e.printStackTrace();}logger_.log("...
根据spring.datasource.driverClassName的值,通过反射动态创建MySqlCrudFactory或者PostSqlCrudFactory工厂对象, @ConfigurationpublicclassCrudTemplateConfig{publicstaticfinalStringMYSQL_DRIVER_NAME="com.mysql.cj.jdbc.Driver"; Map<String, String> driverClassNameMap =newHashMap<String, String>() {privatestaticfinal...
通过CrudDatasourceProperties读取spring.datasource.driverClassName @ConfigurationProperties(prefix = "spring.datasource")@Componentpublic class CrudDatasourceProperties { private String driverClassName; public String getDriverClassName() { return driverClassName; } public void setDriverClassName(String driverCla...