结果如下：

数据样式如下：

[{"text":"Epson WorkForce 845","group":"Printer"},{"text":"Canon PIXMA MG5320","group":"Printer"},{"text":"HP Deskjet 1000 Printer","group":"Printer"},{"text":"Cisco RV110W-A-NA-K9","group":"Firewall"},{"text":"ZyXEL ZyWALL USG50","group":"Firewall"},{"text":"NETGEAR FVS318","group":"Firewall"},{"text":"Logitech Keyboard K120","group":"Keyboard"},{"text":"Microsoft Natural Ergonomic Keyboard 4000","group":"Keyboard"},{"text":"Logitech Wireless Touch Keyboard K400","group":"Keyboard"},{"text":"Logitech Gaming Keyboard G110","group":"Keyboard"},{"text":"Nikon COOLPIX L26 16.1 MP","group":"Camera"},{"text":"Canon PowerShot A1300","group":"Camera"},{"text":"Canon PowerShot A2300","group":"Camera"}]

代码如下：