diff --git a/App/projectAPP.php b/App/projectAPP.php
new file mode 100644
index 0000000..74c90c6
--- /dev/null
+++ b/App/projectAPP.php
@@ -0,0 +1,182 @@
+<?php
+
+namespace WCS;
+
+//include this file when running
+require_once 'Work-Cell-Scheduler/Config/global.php';
+
+class Person{
+		
+// build attribute for this class:
+   private $db = NULL;
+   public $person = NULL;
+   public $name = NULL;
+   public $rate = NULL;
+   
+// build constructor: automaticlly connect to the database when new object was built.there has a space behind funtion
+   function __construct(){
+   	$this->db = new \mysqli(\WCS\Config::$dbhost,\WCS\Config::$dbuser,\WCS\Config::$dbpassword,\WCS\Config::$dbdatabase);
+   	
+   	if($this->db===NULL){
+   		die("cannot connect to the database!");	
+   	}
+   	   	
+   }
+   
+   function __destruct(){
+   	
+   	if($this->db!=NULL){
+   		
+   		$this->db->close();
+   		
+   	}
+   	
+   }
+   
+//build the operations for this class:
+   
+   //operation : set the person 
+   function setPerson($person){
+   	 // limit the enter type of the person
+   	 if(preg_match('/^[a-zA-Z0-9]+$/',$person)){
+   	 	
+   	 	$this->person=$person;
+   	 	return TRUE;
+   	 }
+
+   	 return FALSE;
+   } 	
+   
+   
+   // operation: set the name 
+   function setName($name){
+   	$this->name=$name;
+   	return TRUE; 	
+   }
+   	 	
+   // opetation: set the rate
+   function setRate($rate){
+   	$this->rate=$rate;
+   	return TRUE;  	
+   }	 
+   	
+   function display(){
+   	
+   	$name="";
+   	$rate="";
+   	if(!\is_null($this->name)){
+   		
+   		$name=" name: $this->name";
+   	}
+   	if(!\is_null($this->rate)){
+   		$rate=" rate: $this->rate";
+   	}
+   	
+   	return "{person: $this->person".$name.$rate."}";
+   	
+   }
+   
+   //communicate with the database:
+   
+   function Insert(){
+   	$stmt=$this->db->prepare("INSERT INTO Person (person,name,rate) VALUES (?,?,?)");
+   	if($stmt===FALSE){
+   		error_log("WCS/Person.Insert> stmt:".$this->db->error);
+   		return FALSE;
+   	}
+   	
+   	if($stmt->bind_param('ssd', $this->person,$this->name,$this->rate)===FALSE){
+   		error_log("WCS/Person.Insert> bind_param:".$this->db->error);
+   		return FALSE;
+   	}
+   	
+   	if($stmt->execute()===FALSE){
+   		if($this->db->errno==1062){
+   			return FALSE;
+   		}
+   		error_log("WCS/Person.Insert> execute:".$this->db->error);
+   		return FALSE;
+   		
+   	}
+   	return TRUE;	
+   }
+   
+   
+   function Delete(){
+   	$stmt=$this->db->prepare("DELETE FROM Person WHERE person=?");
+   	if($stmt===FALSE){
+   		
+   		error_log("WCS/Person.Delete> stmt:".$this->db->error);
+   		return FALSE;
+   		
+   	}
+   	
+   	if($stmt->bind_param('s', $this->person)===FALSE){
+   		
+   		error_log("WCS/Person.Delete> bind_param:".$this->db->error);
+   		return FALSE;
+   		
+   	}
+   	
+   	if($stmt->execute()===FALSE){
+   		
+   		error_log("WCS/Person.Delete> execute:".$this->db->error );
+   		return FALSE;
+   	}
+   	
+   	return TRUE;
+   	
+   	
+   }
+   
+   function get(){
+   	$stmt=$this->db->prepare("SELECT name,rate FROM Person WHERE person=?");
+   	if($stmt===FALSE){
+   		
+   		error_log("WCS/Person.get> stmt:".$this->db->error);
+   		return FALSE;
+   		
+   	}
+   	if($stmt->bind_param( 's', $this->person)===FALSE){
+   		error_log("WCS/Person.get> bind_param:".$this->db->error);
+   		return FALSE;	
+   	}
+   	if($stmt->bind_result($this->name,$this->rate)===FALSE){
+   		error_log("WCS/Person.get> bind_result:".$this->db->error);
+   		return FALSE;
+   	}
+   	
+   	if($stmt->execute()===FALSE){
+   		error_log("WCS/Person.get> execute:".$this->db->error);
+   		return FALSE;
+   		
+   	}
+   	
+   	
+   	return $stmt->fetch();
+   	
+   	
+   }
+   
+   
+   	
+   	
+   	
+   }
+
+	
+	
+	
+	
+?>
+		
+		
+
+	
+	
+	
+	
+	
+	
+	
+	
diff --git a/App/projectAPPtest.php b/App/projectAPPtest.php
new file mode 100644
index 0000000..ad742e2
--- /dev/null
+++ b/App/projectAPPtest.php
@@ -0,0 +1,44 @@
+<?php
+require_once'Work-Cell-Scheduler/TDD/validator.php';
+include 'Work-Cell-Scheduler/Config/local-linux.php';
+require_once 'projectAPP.php';
+
+class PersonTest extends WebIS\Validator{
+	//get the class name:
+	
+	
+    protected static $__CLASS__=__CLASS__;
+    
+    
+    function testPersonApp(){
+    	$a=new \WCS\Person();
+    	$this->assertFalse($a->setPerson("Jianghong Li"));   	
+    	$this->assertTrue($a->setPerson("JianghongLi"));
+    	
+    	$this->assertEquals("{person: JianghongLi}",$a->display());
+    	
+    	$this->assertTrue($a->setName("Jianghong Li"));   	
+    	$this->assertTrue($a->setRate("0.6"));
+    	
+    	$this->assertEquals("{person: JianghongLi name: Jianghong Li rate: 0.6}", $a->display());
+    	
+     //can be delected twice, but cannot insert twice
+    	$this->assertTrue($a->Delete());
+    	$this->assertTrue($a->Delete());
+    	$this->assertTrue($a->Insert());
+    	$this->assertFalse($a->Insert());
+    
+    	$a=new \WCS\Person();
+    	$this->assertTrue($a->setPerson("JianghongLi"));
+    	$this->assertTrue($a->get());
+    	echo "name: ".$a->name." "."rate: ".$a->rate;
+    	
+    }
+	
+	
+}
+
+if (!defined('PHPUnit_MAIN_METHOD')) {
+	PersonTest::main();
+}
+?>
\ No newline at end of file