java生成图表---采用jfreechart
java生成图表---采用jfreechart
1.引入jfreechart,jcommon的jar包。
<dependency>
<groupId>org.jfree</groupId>
<artifactId>jfreechart</artifactId>
<version>1.0.14</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.jfree</groupId>
<artifactId>jcommon</artifactId>
<version>1.0.17</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
2.配置servelet
<servlet> <servlet-name>DisplayChart</servlet-name> <servlet-class>org.jfree.chart.servlet.DisplayChart</servlet-class> </servlet> <servlet-mapping> <servlet-name>DisplayChart</servlet-name> <url-pattern>/DisplayChart</url-pattern> </servlet-mapping>
3.配置数据，生成图表
主要测试的有柱状图，饼状图，曲线图
