49 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			49 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| // +----------------------------------------------------------------------
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| // | ThinkPHP [ WE CAN DO IT JUST THINK ]
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| // +----------------------------------------------------------------------
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| // | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
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| // +----------------------------------------------------------------------
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| // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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| // +----------------------------------------------------------------------
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| // | Author: liu21st <liu21st@gmail.com>
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| // +----------------------------------------------------------------------
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| 
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| namespace think\db;
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| 
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| class Expression
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| {
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|     /**
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|      * 查询表达式
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|      *
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|      * @var string
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|      */
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|     protected $value;
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| 
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|     /**
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|      * 创建一个查询表达式
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|      *
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|      * @param  string  $value
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|      * @return void
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|      */
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|     public function __construct($value)
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|     {
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|         $this->value = $value;
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|     }
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| 
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|     /**
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|      * 获取表达式
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|      *
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|      * @return string
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|      */
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|     public function getValue()
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|     {
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|         return $this->value;
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|     }
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| 
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|     public function __toString()
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|     {
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|         return (string) $this->value;
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|     }
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| }
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