報錯：Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/batik/dom/util/DocumentFactory at com.imooc.page.SVG_PNG.SvgUtil.convert2PNG(SvgUtil.java:53) at com.imooc.page.SVG_PNG.SvgUtil.convertSVGFile2Png(SvgUtil.java:50) at com.imooc.page.SVG_PNG.SvgUtil.main(SvgUtil.java:80)Caused by: java.lang.ClassNotFoundException: org.apache.batik.dom.util.DocumentFactory at java.net.URLClassLoader$1.run(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) ... 3 more要怎么解決??？