request server method

1.form data 
q: serialize() 
s: request (getParameter)

q: {name:"admin",age:28}   
s1: request (getParameter)
s2: String name, String age (属性与后台接受的字段一一对应)
s3: Bean bean (属性与属性值的类型必须和后台保持一直)
	
q: {bean:JSON.stringify({})} bean--->json字符串
s: String bean  (JSON解析)