How to use the add method in thinkphp-ThinkPHP-php.cn

How to use the add method in thinkphp

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Release： 2022-12-06 10:05:35

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The add method in thinkphp is used to add data to the data table, which is equivalent to the INSERT INTO behavior in SQL. Its usage syntax is such as "if($lastInsId = $Dao->add($data)) {...}".

How to use the add method in thinkphp

The operating environment of this tutorial: Windows 7 system, ThinkPHP version 5, Dell G3 computer.

How to use the add method in thinkphp?

ThinkPHP Add data add() method

ThinkPHP’s built-in add() method is used to add data to the data table, which is equivalent to INSERT INTO in SQL Behavior.

ThinkPHP Insert Add data

Add data The add method is the implementation of Create in CURD (Create, Update, Read, Delete / Create, modify, read, delete). ThinkPHP supports ordinary Write data to the data table in array mode and object-oriented mode.

In the IndexAction controller (Lib/Action/IndexAction.class.php), add the insert() operation:

public function insert(){
    header("Content-Type:text/html; charset=utf-8");
    $Dao = M("User");// 实例化模型类
    // 构建写入的数据数组
    $data["username"] = "小王";
    $data["password"] = md5("123456");
    $data["email"] = "12345@163.com";
    $data["regdate"] = time();
    // 写入数据
    if($lastInsId = $Dao->add($data)){
        echo "插入数据 id 为：$lastInsId";
    } else {
        $this->error(&#39;数据写入错误！&#39;);
    }
}

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Access to perform this operation: http://127.0.0.1/think /index.php/Index/insert

Syntax interpretation

M("User") is used to efficiently instantiate a data model (M is the abbreviation of new Model, Called a shortcut method), the parameter is the name of the table to be operated.
Next, build the array $data to save the data.
Finally, the add() method is used to write the data to the library table. Since the M shortcut method is used, the $data array needs to be passed into the add() method.
add() method If the data record is added successfully, the primary key of the new data record will be returned, which can be obtained directly.

The actual SQL running in this example is:

1 2	`INSERT INTO user(username,password,email,regdate) VALUES ('小王','e10adc3949ba59abbe56e057f20f883e',` `'12345@163.com',1283612673)`

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Add data in object mode

The above method is to construct a data array, and then add The data is passed into the add method in the form of parameters and written to the data table. ThinkPHP also supports writing data into the data table in the form of objects. Change the above code to:

public function insert(){
    header("Content-Type:text/html; charset=utf-8");
    $Dao = M("User");// 实例化模型类
    // 数据对象赋值
    $Dao->username = "小王";
    $Dao->password = md5("123456");
    $Dao->email = "12345@163.com";
    $Dao->regdate = time();
    // 写入数据
    if($lastInsId = $Dao->add()){
        echo "插入数据 id 为：$lastInsId";
    } else {
        $this->error(&#39;数据写入错误！&#39;);
    }
}

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Object mode In addition to assigning data in the form of data objects, there is no need to call the add method to write data. Pass parameters.

Recommended learning: "thinkPHP Video Tutorial"

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