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)