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                            ### GEO是什么
GEO(地理信息定位):存儲經緯度,計算兩地距離,范圍計算等.
![](https://img.kancloud.cn/6f/2b/6f2b1b942cf188ea3f3def47cbd8c1fd_3162x1510.png)

### 應用場景
1. 微信搖一搖;
2. 周圍商圈;

### 實例

![](https://img.kancloud.cn/cc/75/cc75037fcc32d12772a7d1f7a0acc354_1254x456.png)


### 相關說明
1. since 3.2 +
2. type geoKey = zset (底層是有序集合)
3. 沒有刪除api : zrem key menber ;
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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