extjs4做的grid，带分页，搜索

最终效果图：

服务器端数据格式输出：
{"total":100,"items":[{"id":0,"name":"aaaa0","time":"2009-23-0","phone":"000-2342442"},{"id":1,"name":"aaaa1","time":"2009-23-1","phone":"010-2342442"},{"id":2,"name":"aaaa2","time":"2009-23-2","phone":"020-2342442"},{"id":3,"name":"aaaa3","time":"2009-23-3","phone":"030-2342442"},{"id":4,"name":"aaaa4","time":"2009-23-4","phone":"040-2342442"},{"id":5,"name":"aaaa5","time":"2009-23-5","phone":"050-2342442"},{"id":6,"name":"aaaa6","time":"2009-23-6","phone":"060-2342442"},{"id":7,"name":"aaaa7","time":"2009-23-7","phone":"070-2342442"},{"id":8,"name":"aaaa8","time":"2009-23-8","phone":"080-2342442"},{"id":9,"name":"aaaa9","time":"2009-23-9","phone":"090-2342442"}]} 

前台js部分：