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prepare = connection.prepareStatement(vSQL, PreparedStatement.RETURN_GENERATED_KEYS); prepare.setString(1, deptCode); prepare.setString(2, deptName); prepare.setString(3, beginTime); prepare.setS...

一、把相关jar包加进项目二、配置web.xml文件<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation...

java包：commons-logging-1.2.jarlog4j.properties文件内容# Set root category priority to INFO and its only appender to CONSOLE.#log4j.rootCategory=ERROR, CONSOLElog4j.rootCategory=INFO, CONSOLE, LOGFILE...