see the use of the PageHelper paging plug-in in a project ...
problem description orcaleABCAPHONEBPHONECPHONE: A B C ID PHONE ID PHONE ID PHONE a1 11111 b1 11111 c1 11111 a1 22222 b2 33333 c2 11111 now I want to change the PHONE=11111 in ...
use mybatis insert sentence to: There is no getter for property named DictionaryType in class com.bjpowernode.crm.domain.DictionaryType the code is as follows: public int insertDictionaryType(DictionaryType dictionaryType) { SqlSessionFac...
divided into two parts, the first part, let s take a look at the error message , the second part, look at the code logic . part I: error message: GoShopping :: Entity DAO DAO Mapper in namespace in mapper, there is no such path as s...
errors in query operations using annotations and SQLProvider it is OK to use annotations directly, but not with SQLProvider. @Select({ "<script>" + "SELECT avator FROM t_user " + "WHERE id IN &quo...
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE generatorConfiguration PUBLIC "- mybatis.org DTD MyBatis Generator Configuration 1.0 EN" "http: mybatis.org dtd mybatis-generator-config_1_0....
mybatis input parameter is a list of type integer if there is only a 0 in the list, do not Filter this property otherwise, this field in list ...
1. Build the demo of springboot manually. The project service layer auto injection does not show that it cannot be injected. But the method that calls the service layer will statement not found. Then the @ Qualifier () annotation is used, and the servic...
using JDBCDataSouce is normal, startup and stop are normal, and no error is reported. when switching to C3P0 configuration in C3P0 XML: <!-- --> <bean id="dataSource_c3p0_properties" class="com.mchange.v2.c3p0.ComboPooledD...
how should I open the index implementation on the home page of the website to query the relevant data from the background database and then bind it to the page? ...
select <include refid="Base_Column_List" > from sys_permission where id = -sharp{id,jdbcType=INTEGER} < select> < mapper> if you change dao to List < SysRole > getRoleWithPermission (Inte...
recently, when (spring) integrates redis in a project, I always hold a null pointer exception when going to the factory instance: but the unit test is always normal: the following is the redis-config.xml file public class SpringContextUtil implement...
I m sorry about my careless problems. < span> ...
is a string made up of multiple id String ids = "1 id 2, 3 4 ". Now you want to traverse through the mybatis without cutting it into an array. What do you do according to the delete operation according to the id? I reported an error here: < where > ...
when operating on the database, the table is locked, the field value of the table is updated, the query is returned, and finally the table is unlocked. The sql statements executed without jdbc for are as follows: LOCK TABLE yh WRITE; UPDATE yh SET val...
for example, can I do this <association property=""> <association property="">< association> < association> I tried, and the compilation passed, but there was an error at run time, if not. the...
mybatis foreach tag <if test="map.itemNos!=null and map.itemNos.size()>0"> AND EXISTS (SELECT 1 FROM COM_INV_ITEMS WHERE INVENTORY_ITEM_ID= h.INVENTORY_ITEM_ID AND SEGMENT1 IN <foreach item="itemNo&quo...
Creating a new SqlSession SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@79669d23] was not registered for synchronization because synchronization is not active Closing non transactional SqlSession [org.apache.ibatis.session.defaults.Def...
error prompt use: <dependency> <groupId>org.springframework< groupId> <artifactId>spring-orm< artifactId> <version>4.3.14.RELEASE< version> < dependency> <depend...
the data sent from the front desk is of date type, and then query how to report such an error in the field of date type of sql server database based on this data: ,date : : : ...
problem description: customers need to scan the QR code on the H5 page and be able to identify the content of the custom logic. Scan the code to identify the content of the QR code and fill in the form on the next page after querying the data from the b...
public static void main(String[] args) throws NoSuchFieldException, IllegalAccessException, InterruptedException { Unsafe unsafe = UnsafeUtil.getUnsafe(); Thread currThread = Thread.currentThread(); new Thread(()->{ try { ...
the questions you want to ask are as follows: when does the front end need to use the try {} catch {} statement, which is rarely seen in the front end, what scenarios will be used? as we all know, there are many "exceptions " at the front end. For...
like the close icon in the upper right corner of the pop-up box below: ...
in the current company s ERP system, when the user page is open, you will need to log in again after a period of time due to session timeout, and jump to the login page. but if the user is editing form data and the login timed out and refreshed direct...