dom编程案例

<?xml version="1.0" encoding="UTF-8" standalone="no"?> <exam> <student idcard="111" examid="222"> <name>张三</name> <location>沈阳</location> <grade>89</grade> </student> <student idcard="333" examid="444"> <name>李四</name> <location>大连</location> <grade>97</grade> </student> </exam>