Modify HomeTab

@@ -80,6 +80,29 @@ export default class HomeTab extends Component {
         }
       };
 
+    get_diff_data(){
+        return fetch('http://10.0.2.2:3000/app/get_diff_data/',{
+            method:'POST',
+            headers: {
+                'Accept': 'application/json',
+                'Content-Type': 'application/json',
+              },
+            body:JSON.stringify({
+                ras_id : this.state.ID,
+                date : this.state.today,
+            }),
+        })
+        .then((response) => console.log(response.json())) 
+        .then((responseJson)=> {
+            console.log(responseJson)
+            alert(responseJson[0].ras_id.S);
+        },function(){
+        })
+        .catch((error) =>  {
+            console.error(error);
+        })
+    }
+    
     render() {
         // const fill = 'rgb(134, 65, 244)'
         // const data = [50, 10, 40, 95, -4, -24, null, 85, undefined, 0, 35, 53, -53, 24, 50, -20, -80]

@@ -16,7 +16,8 @@ export default class HomeTab extends Component {
         super(props);
         this.state = {
             ID : this.props.navigation.getParam('id','pi1'),
-            today : date.getFullYear() + "." + month + "." + date.getDate(),
+            // today : date.getFullYear() + "." + month + "." + date.getDate(),
+            today : "1576237044146.4011",
             current_weight : get_now_weight() ,
             table_contents : [['오후','6:12:15', '+0.25kg', 'Total : 1.5 kg'],['오후','4:27:52', '+0.12kg', 'Total : 1.38kg'],
             ['오후','6:12:15', '+0.25kg', 'Total : 1.5 kg'],['오후','6:12:15', '+0.25kg', 'Total : 1.5 kg'],
@@ -36,11 +37,13 @@ export default class HomeTab extends Component {
               },
             body:JSON.stringify({
                 ras_id : this.state.ID,
-                date : this.state.today,
+                //date : this.state.today,
+                date : "1576237047226.6567"
             }),
         })
         .then((response) => console.log(response.json())) 
         .then((responseJson)=> {
+            //alert(responseJson[0][0].ras_id.S);
             console.log(responseJson)
         },function(){
         })

@@ -54,16 +54,15 @@ export function add_data(responseJson){
     }
 
     return responseJson.length;
-}
+}                                       ㅊ
 
 export function get_now_weight(){
     let wastes = realm.objects('Waste');
     let recent = realm.objects('Waste').max('date').date;
     let recentWeight = wastes.filtered('date = 1576223063238.5166');
-    
+    //"id == %@", id!
+    console.log(String(wastes.lenth));
     return recentWeight[0].weight;
-    
-    // return "3.8"
 }
 
 export function get_recent_date(){