EXt前台接收Chart类型数据

[SunshineEveryone]

{"success":true,"totalProperty":10,"root":[{"DEP_ID":"09","DEP_NAME":"人民代表工作委员会","YWC":"0","WWC":"4","SYAJ":"4"},{"DEP_ID":"08","DEP_NAME":"纪律检查工作委员会（监察科）","YWC":"0","WWC":"4","SYAJ":"4"},{"DEP_ID":"04","DEP_NAME":"人民武装部（民防科）","YWC":"0","WWC":"4","SYAJ":"4"},{"DEP_ID":"07","DEP_NAME":"民族宗教科","YWC":"0","WWC":"3","SYAJ":"3"},{"DEP_ID":"root","DEP_NAME":"组织机构","YWC":"0","WWC":"2","SYAJ":"2"},{"DEP_ID":"05","DEP_NAME":"社会治安综合治理委员会办公室","YWC":"0","WWC":"3","SYAJ":"3"},{"DEP_ID":"03","DEP_NAME":"宣传部（精神文明建设委员会办公室）","YWC":"0","WWC":"2","SYAJ":"2"},{"DEP_ID":"02","DEP_NAME":"组织部（社会工作党委办公室）","YWC":"0","WWC":"6","SYAJ":"6"},{"DEP_ID":"06","DEP_NAME":"信访办公室","YWC":"0","WWC":"150","SYAJ":"150"},{"DEP_ID":"01","DEP_NAME":"工委办公室","YWC":"0","WWC":"2","SYAJ":"2"}]}
这是后台查的数据，前台一个chart类型的表，怎么写用来接受的store啊，我只要YWC下的数字，能不能给我个梨子。。。