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                            mysql 分頁查詢

SELECT * FROM biz_report_log t LIMIT 0,20;

總共的條數；

SELECT COUNT(*) FROM biz_report_log t ;



分頁查詢 LIMIT 

biz_report_log 目標表

t 為別名；

為什么要用別名？

獲取字段的時候我就就可以t.id  t.name  而不需要biz_report_log.id 這樣處理  



//分頁查詢動態傳參拼接的時候可以把sql語句打印出來

//這里limit后面要加個空格；

var page = [req.query.k];

var pagesize = [req.query.num];

var sql = 'select * from hello limit ' + (page-1)*pagesize + ',' + pagesize;

console.log(sql)



//錯誤 

select * from hello limit02



//正確

select * from hello limit 0,2
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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