servlet接收到的参数是String型的吗?
HTML提交“http://myServer:8080/test/servlets/xxxService?param=0”
servlet中接收语句是“String theParam=request.getParameter("param");”
执行:
if (param=="0") {
out.print("0000000");
} else {
out.print("null");
}
实际执行的是out.print("null");
怎么回事?