更改文件名

html/application/models/customer_sales_model.php

+<?php
+/**
+ *销售模型
+ *
+ * @package application/model
+ * @version 2017-6-26
+ * @author 侯张振
+ *
+ */
+class Customer_model extends MY_Model{
+
+	/**
+	* 使用到的表
+	*/
+	public $table = 'tb_customer	_sales';
+
+	/**
+	* 构造器
+	*/
+	public function __construct()
+	{
+		parent::__construct();
+		//进行数据库连接
+		$this->db = $this->load->database('default', true);
+	}
+	public function  update_customer_sales($customerbuildingId,$sale_id){
+		$this->db->where('customer_building_id', $customerbuildingId);
+        $this->db->update('tb_customer_sales',$sale_id);
+	}
+   public function  delete_sale_id($where){
+   	$this->db->delete('tb_customer_sales',$here);
+   }
+?>
\ No newline at end of file