Jemter operation

1.jemter Cannot directly link to the database , One needs to be installed first jmeter Connect mysql Database files mysql-connector-java-5.1.7-bin.jar , Put in D:\apache-jmeter-5.4.1\lib Next

2. Download address ：MySQL :: Download Connector/J

3. Connect to database

① Create a thread group

② Right click on the thread group to create JDBC Connection Configuration 

 ③ To configure JDBC Connection Configuration 

Variable Name for created pool： The name of the database connection pool , In the use of JDBC Request Connect through the connection pool name , So in use JDBC Request The name of the connection pool you enter at the time should be the same as JDBC Connection Configuration In the same ;

Connection Pool Configuration: Basic configuration defined , You can set it to the default value ;

Database Configuratio:

 Database URL： For database URL,jdbc:mysql:// Server address ： Listening port / Database name

JDBC Driver class：JDBC drive . It's usually com.mysql.jdbc.Driver or ort.gjt.mm.mysql.Driver

 Username： The user name of the database

 Password： Database password

 ④ Right click in the thread group , add to JDBC Request

⑤ To configure  JDBC Request

 Query Type： Query type . for example , Use select Use when querying Select Statement, Use delete Use... When deleting tables Update Statement

 Query： Here you can use database operation statements

 Parameter Name： Referenced parameter values

 Parameter Type： Type of reference parameter value

Variable name： Use sql The variable name returned by the statement

Result Variable name： Define the name of a parameter to save sql The return value of the query result

Query time： Set timer time

Handle Result： Save type when saving parameters

⑥ function

ps： Run time appears Cannot load JDBC driver class 'com.mysql.jdbc.Driver' The error is reported because it is not installed mysql-connector-java-5.1.7-bin.jar package