import {ADD_MUTATION,SUBN_MUTATION,ADD_MUTATION_ASY,SUBN_MUTATION_ASY} from './mutation-types'
export default{

        add(state){
          //修改state里面的count数据
          state.count++;
        },
        addN(state,num){
          state.count+=num;
        },
        addN2(state,zidiingyi){
          state.count+=zidiingyi.num;
        },
        sub(state){
          state.count--;
        },
        subN2(state,zidiingyi){
          state.count-=zidiingyi.num;
        },
        subN(state,num){
          state.count-=num;
        },
  
  
  
  
        //mutation变量写法 加法
        [ADD_MUTATION](state){
          state.count+=4;
        },
  
        //mutation变量写法 减法
        [SUBN_MUTATION](state,zidiingyi){
          state.count-=zidiingyi.num;
        },
  
        //action异步,不带参
        [ADD_MUTATION_ASY](state){
          state.count+=6;
        },
  
        //action异步,带参
        [SUBN_MUTATION_ASY](state,num){
          state.count-=num;
        },
  
  
        //action异步第二种写法,这里演示带参数的
        subN_A(state,num){
          state.count-=num;
        },
      
}