Solution to Java reading oracle garbled code

When Java reads Oracle and encounters Chinese garbled characters, we need to transcode. (Recommended: java video tutorial)

Transcoding method:

1. Pure manual transcoding

Convert the read string s Code, such as: new String(s.getByte(A), B)

2, Druid

druid is a driver developed by Alibaba itself. It is actually a driver for various databases. It provides a unified layer of encapsulation and adds functions such as logs, alarms, and code conversion. The configuration method is as follows:

<bean id="opensqlDataSource"
		class="org.apache.commons.dbcp.BasicDataSource"
		destroy-method="close">
		<property name="driverClassName" value="com.alibaba.china.jdbc.SimpleDriver" />
		<property name="url" value="jdbc:oracle:thin:@10.20.130.210:1521:dwtest" />
		<property name="username" value="etl" />
		<property name="password" value="etl" />
		<property name="connectionProperties"><value>serverEncoding=ISO-8859-1;clientEncoding=GBK;defaultRowPrefetch=50;bigStringTryClob=true</value></property>
	</bean>

The connectionProperties contains two properties: serverEncoding and clientEncoding. After Java reads the data, if it is found that serverEncoding and clientEncoding are different, the following encoding conversion will be automatically performed.

new String(s.getByte(serverEncoding), clientEncoding)

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