easyuiはdatagridとtreegridのいくつかのjsonデータフォーマットをロードします


一、easyuiロードdatagridのjsonデータフォーマット
(1)基本的なデータフォーマット
           
{"total":28,"rows":[
	{"productid":"FI-SW-01","productname":"Koi","unitcost":10.00,"status":"P","listprice":36.50,"attr1":"Large","itemid":"EST-1"},
	{"productid":"K9-DL-01","productname":"Dalmation","unitcost":12.00,"status":"P","listprice":18.50,"attr1":"Spotted Adult Female","itemid":"EST-10"},
	{"productid":"RP-SN-01","productname":"Rattlesnake","unitcost":12.00,"status":"P","listprice":38.50,"attr1":"Venomless","itemid":"EST-11"},
	{"productid":"RP-SN-01","productname":"Rattlesnake","unitcost":12.00,"status":"P","listprice":26.50,"attr1":"Rattleless","itemid":"EST-12"},
	{"productid":"RP-LI-02","productname":"Iguana","unitcost":12.00,"status":"P","listprice":35.50,"attr1":"Green Adult","itemid":"EST-13"},
	{"productid":"FL-DSH-01","productname":"Manx","unitcost":12.00,"status":"P","listprice":158.50,"attr1":"Tailless","itemid":"EST-14"},
	{"productid":"FL-DSH-01","productname":"Manx","unitcost":12.00,"status":"P","listprice":83.50,"attr1":"With tail","itemid":"EST-15"},
	{"productid":"FL-DLH-02","productname":"Persian","unitcost":12.00,"status":"P","listprice":23.50,"attr1":"Adult Female","itemid":"EST-16"},
	{"productid":"FL-DLH-02","productname":"Persian","unitcost":12.00,"status":"P","listprice":89.50,"attr1":"Adult Male","itemid":"EST-17"},
	{"productid":"AV-CB-01","productname":"Amazon Parrot","unitcost":92.00,"status":"P","listprice":63.50,"attr1":"Adult Male","itemid":"EST-18"}
]}

(2)footer付きデータフォーマット
{"total":28,"rows":[
	{"productid":"FI-SW-01","unitcost":10.00,"status":"P","listprice":36.50,"attr1":"Large","itemid":"EST-1"},
	{"productid":"K9-DL-01","unitcost":12.00,"status":"P","listprice":18.50,"attr1":"Spotted Adult Female","itemid":"EST-10"},
	{"productid":"RP-SN-01","unitcost":12.00,"status":"P","listprice":28.50,"attr1":"Venomless","itemid":"EST-11"},
	{"productid":"RP-SN-01","unitcost":12.00,"status":"P","listprice":26.50,"attr1":"Rattleless","itemid":"EST-12"},
	{"productid":"RP-LI-02","unitcost":12.00,"status":"P","listprice":35.50,"attr1":"Green Adult","itemid":"EST-13"},
	{"productid":"FL-DSH-01","unitcost":12.00,"status":"P","listprice":158.50,"attr1":"Tailless","itemid":"EST-14"},
	{"productid":"FL-DSH-01","unitcost":12.00,"status":"P","listprice":83.50,"attr1":"With tail","itemid":"EST-15"},
	{"productid":"FL-DLH-02","unitcost":12.00,"status":"P","listprice":63.50,"attr1":"Adult Female","itemid":"EST-16"},
	{"productid":"FL-DLH-02","unitcost":12.00,"status":"P","listprice":89.50,"attr1":"Adult Male","itemid":"EST-17"},
	{"productid":"AV-CB-01","unitcost":92.00,"status":"P","listprice":63.50,"attr1":"Adult Male","itemid":"EST-18"}
],"footer":[
	{"unitcost":19.80,"listprice":60.40,"productid":"Average:"},
	{"unitcost":198.00,"listprice":604.00,"productid":"Total:"}
]}

二、easyuiロードtreegridのjsonデータフォーマット
(1)基本的なデータ構造
[{
	"id":1,
	"name":"C",
	"size":"",
	"date":"02/19/2010",
	"children":[{
		"id":2,
		"name":"Program Files",
		"size":"120 MB",
		"date":"03/20/2010",
		"children":[{
			"id":21,
			"name":"Java",
			"size":"",
			"date":"01/13/2010",
			"state":"closed",
			"children":[{
				"id":211,
				"name":"java.exe",
				"size":"142 KB",
				"date":"01/13/2010"
			},{
				"id":212,
				"name":"jawt.dll",
				"size":"5 KB",
				"date":"01/13/2010"
			}]
		},{
			"id":22,
			"name":"MySQL",
			"size":"",
			"date":"01/13/2010",
			"state":"closed",
			"children":[{
				"id":221,
				"name":"my.ini",
				"size":"10 KB",
				"date":"02/26/2009"
			},{
				"id":222,
				"name":"my-huge.ini",
				"size":"5 KB",
				"date":"02/26/2009"
			},{
				"id":223,
				"name":"my-large.ini",
				"size":"5 KB",
				"date":"02/26/2009"
			}]
		}]
	},{
		"id":3,
		"name":"eclipse",
		"size":"",
		"date":"01/20/2010",
		"children":[{
			"id":31,
			"name":"eclipse.exe",
			"size":"56 KB",
			"date":"05/19/2009"
		},{
			"id":32,
			"name":"eclipse.ini",
			"size":"1 KB",
			"date":"04/20/2010"
		},{
			"id":33,
			"name":"notice.html",
			"size":"7 KB",
			"date":"03/17/2005"
		}]
	}]
}]

   (2)_parentIdのデータフォーマット、
フィールド_parentIdは少なくなく、名前が一意である必要があります.
{"total":7,"rows":[
	{"id":1,"name":"All Tasks","begin":"3/4/2010","end":"3/20/2010","progress":60,"iconCls":"icon-ok"},
	{"id":2,"name":"Designing","begin":"3/4/2010","end":"3/10/2010","progress":100,"_parentId":1,"state":"closed"},
	{"id":21,"name":"Database","persons":2,"begin":"3/4/2010","end":"3/6/2010","progress":100,"_parentId":2},
	{"id":22,"name":"UML","persons":1,"begin":"3/7/2010","end":"3/8/2010","progress":100,"_parentId":2},
	{"id":23,"name":"Export Document","persons":1,"begin":"3/9/2010","end":"3/10/2010","progress":100,"_parentId":2},
	{"id":3,"name":"Coding","persons":2,"begin":"3/11/2010","end":"3/18/2010","progress":80},
	{"id":4,"name":"Testing","persons":1,"begin":"3/19/2010","end":"3/20/2010","progress":20}
],"footer":[
	{"name":"Total Persons:","persons":7,"iconCls":"icon-sum"}
]}
(3)footer付き_parentIdデータフォーマット
{"total":9,"rows":[
	{"id":1,"region":"Wyoming"},
	{"id":11,"region":"Albin","f1":2000,"f2":1800,"f3":1903,"f4":2183,"f5":2133,"f6":1923,"f7":2018,"f8":1838,"_parentId":1},
	{"id":12,"region":"Canon","f1":2000,"f2":1800,"f3":1903,"f4":2183,"f5":2133,"f6":1923,"f7":2018,"f8":1838,"_parentId":1},
	{"id":13,"region":"Egbert","f1":2000,"f2":1800,"f3":1903,"f4":2183,"f5":2133,"f6":1923,"f7":2018,"f8":1838,"_parentId":1},
	{"id":2,"region":"Washington"},
	{"id":21,"region":"Bellingham","f1":2000,"f2":1800,"f3":1903,"f4":2183,"f5":2133,"f6":1923,"f7":2018,"f8":1838,"_parentId":2},
	{"id":22,"region":"Chehalis","f1":2000,"f2":1800,"f3":1903,"f4":2183,"f5":2133,"f6":1923,"f7":2018,"f8":1838,"_parentId":2},
	{"id":23,"region":"Ellensburg","f1":2000,"f2":1800,"f3":1903,"f4":2183,"f5":2133,"f6":1923,"f7":2018,"f8":1838,"_parentId":2},
	{"id":24,"region":"Monroe","f1":2000,"f2":1800,"f3":1903,"f4":2183,"f5":2133,"f6":1923,"f7":2018,"f8":1838,"_parentId":2}
],"footer":[
	{"region":"Total","f1":14000,"f2":12600,"f3":13321,"f4":15281,"f5":14931,"f6":13461,"f7":14126,"f8":12866}
]}

三、まとめ
easyuiでデータをロードする場合は、上記のいくつかのデータルールに従う必要があります.そうしないと、データが正しく表示されません.フィールド名は自分の状況に応じて定義できますが、フォーマットは一致しなければなりません.treegridのロード時に、カスケードに遭遇した場合はプライマリ_parentIdフィールド名.