feat: support add and update kv in string

src/backend/StringOperation.ts

@@ -0,0 +1,46 @@
+import axios from 'axios';
+
+let token = localStorage.getItem('token');
+let ip = localStorage.getItem('ip');
+let port = localStorage.getItem('port');
+
+function loadData(){
+  token = localStorage.getItem('token');
+  ip = localStorage.getItem('ip');
+  port = localStorage.getItem('port');
+}
+
+// Delete a specific kV
+export async function DeleteSingleValue(bucket: string, key: string): Promise<any> {
+  loadData()
+  const Url = `http://${ip}:${port}`;
+  return await axios.delete(
+    `${Url}/string/delete/${bucket}/${key}?token=${token}`,
+  );
+}
+
+// Update a specific kV
+export async function UpdateSingleValue(bucket: string, key: string, value: string,ttl:number): Promise<any> {
+  loadData()
+  const Url = `http://${ip}:${port}`;
+  return await axios.post(
+    `${Url}/string/update/${bucket}/${key}?token=${token}`,
+    {
+      value: value,
+      ttl: ttl
+    }
+  );
+}
+
+// Add  a specific kV
+export async function AddSingleValue(bucket: string, key: string, value: string,ttl:number): Promise<any> {
+  loadData()
+  const Url = `http://${ip}:${port}`;
+  return await axios.post(
+    `${Url}/string/update/${bucket}/${key}?token=${token}`,
+    {
+      value: value,
+      ttl: ttl
+    }
+  );
+}