ajax 增删改查 数据库_UB-tree增删改查

Ajax 增删改查数据库_UBtree增删改查

Ajax 增删改查数据库

1、增加数据

$.ajax({
  type: "POST",
  url: "addData.php",
  data: { key1: "value1", key2: "value2" },
  success: function(response) {
    console.log("数据添加成功");
  }
});

2、删除数据

$.ajax({
  type: "POST",
  url: "deleteData.php",
  data: { id: "1" },
  success: function(response) {
    console.log("数据删除成功");
  }
});

3、修改数据

$.ajax({
  type: "POST",
  url: "updateData.php",
  data: { id: "1", key1: "newValue1", key2: "newValue2" },
  success: function(response) {
    console.log("数据修改成功");
  }
});

4、查询数据

$.ajax({
  type: "GET",
  url: "getData.php",
  data: { id: "1" },
  success: function(response) {
    console.log("查询到的数据为：", response);
  }
});

UBtree 增删改查

1、增加节点

def insert(self, key):
    if not self.root:
        self.root = Node(key)
    else:
        self._insert(self.root, key)

2、删除节点

def delete(self, key):
    self.root = self._delete(self.root, key)

3、修改节点

def update(self, old_key, new_key):
    node = self.search(old_key)
    if node:
        node.key = new_key

4、查询节点

def search(self, key):
    return self._search(self.root, key)