简易 PHP API 测试

PHP代码

======================================================================================

Author : James

Date : 2020/3/21

Versions: Beta v2

HEPL :

HTTP POST :

1.{ "select": "mock_data", "where": [{ "id": "1" },{ "username": "james" }], "limit": [1, 2] };

2.{ "insert": "mock_data", "values": [{ "username": "james" }, { "email": "james@domain.com" }] };

3.{ "update": "mock_data", "set": [{ "username": "james" }, { "email": "james@domain.com" }], "where": [{ "id": "1" }] };

4.{ "delete": "mock_data", "where": [{ "id": "1" }] }

5.{ "query": "mock_data", "where": [{ "username": "james" }], "page": [1,10] }; page参数[当前页,页大小]

======================================================================================

header("Content-type: application/json");

header("Content-type:text/html;charset=utf-8");

header("Access-Control-Allow-Origin:*");

//初始化参数

define("HOST", "localhost");

define("DBNAME", "test");

define("USER", "root");

define("PASSWORD", "");

define("ACCESSPERMISSION", json_encode(array('query', 'select', 'update', 'insert', 'delete')));

define("PAGESIZE", 10);

global $MySQL;

if (count($_POST) < 1) {

render(null, array("Error" => "Not POST Param"));

}

$GLOBALS["MySQL"] = new PDO("mysql:host=" . HOST . ";dbname=" . DBNAME . ";charset=utf8", USER, PASSWORD, array(PDO::ATTR_PERSISTENT => true));

$SQL_TYPE = strtolower(array_keys($_POST)[0]);

if (in_array($SQL_TYPE, json_decode(ACCESSPERMISSION)) && !empty($_POST[$SQL_TYPE])) {

if (!isTable($_POST[$SQL_TYPE])) {

render(null, array("Error" => "Not Exist Table " . $_POST[$SQL_TYPE]));

}

$POST = $_POST;

unset($POST[$SQL_TYPE]);

call_user_func($SQL_TYPE, $_POST[$SQL_TYPE], $POST);

} else {

render(null, array("Error" => "POST Param " . $SQL_TYPE));

}

//拼凑 WHERE 语句

function where($SQL)

{

if (count($SQL) < 1) {

return "";

}

$sql = ' WHERE ';

foreach ($SQL as $item) {

foreach ($item as $key => $val) {

$sql .= sprintf("%s='%s' and ", $key, $val);

}

return substr($sql, 0, -4);

}

//拼凑 VALUES 语句

function values($SQL)

{

if (count($SQL) < 1) {

return "";

}

$sql = '';

$k = '';

$v = '';

foreach ($SQL as $item) {

foreach ($item as $key => $val) {

$k .= sprintf("%s,", $key);

$v .= sprintf("'%s',", $val);

}

$sql .= sprintf("(%s)VALUES(%s)", substr($k, 0, -1), substr($v, 0, -1));

return $sql;

}

//拼凑 SET 语句

function set($SQL)

{

if (count($SQL) < 1) {

return "";

}

$sql = ' SET ';

foreach ($SQL as $item) {

foreach ($item as $key => $val) {

$sql .= sprintf("%s='%s',", $key, $val);

}

return substr($sql, 0, -1);

}

//拼凑 ORDER BY 语句

function orderby($SQL)

{

if (count($SQL) < 1) {

return "";

}

$sql = ' ORDER BY ';

foreach ($SQL as $item) {

foreach ($item as $key => $val) {

$sql .= $key . " " . $val . ",";

}

return substr($sql, 0, -1);

}

//拼凑 LIMIT 语句

function limit($SQL)

{

if (count($SQL) < 1) {

return "";

}

$sql = ' LIMIT ';

foreach ($SQL as $item) {

$sql .= $item . ",";

}

return substr($sql, 0, -1);

}

//拼凑 PAGE 语句

function page($SQL)

{

if (count($SQL) < 1) {

return "";

}

$sql = ' LIMIT ';

foreach ($SQL as $item) {

$sql .= $item . ",";

}

return substr($sql, 0, -1);

}

//装配SQL的条件语句

function AssembleSQL($SQL)

{

//die(var_dump($SQL));

if (isset($SQL) && !empty($SQL)) {

$sql = "";

foreach ($SQL as $key => $value) {

$sql .= call_user_func(strtolower($key), $value);

}

return $sql;

}

//执行分页数据库

function query($TABLE, $SQL)

{

$pageNumber = 1;

$pageSize = PAGESIZE;

$totalPage = 1;

$totalRow = 1;

$start = 0;

if (!empty($SQL) && count($SQL['page']) > 0) {

if (count($SQL['page']) == 1) {

$pageNumber = $SQL['page'][0] < 1 ? 1 : $SQL['page'][0];

}

if (count($SQL['page']) == 2) {

$pageNumber = $SQL['page'][0] < 1 ? 1 : $SQL['page'][0];

$pageSize = $SQL['page'][1] < 1 ? 10 : $SQL['page'][1];

}

$start = ($pageNumber - 1) * $pageSize;

}

$SQL['page'] = array($start, $pageSize);

$sql = sprintf("SELECT * FROM %s %s", $TABLE, AssembleSQL($SQL));

$sql_count = substr($sql, 0, strpos($sql, "LIMIT"));

$sql_count = str_replace("*", "count(*)", $sql_count);

$dbcount = $GLOBALS["MySQL"]->query($sql_count);

$totalRow = $dbcount->fetchColumn();

$db = $GLOBALS["MySQL"]->query($sql);

$reslut = $db->fetchAll(PDO::FETCH_ASSOC);

$totalPage = ceil($totalRow / $pageSize);

$page = array("list" => $reslut, "pageNumber" => intval($pageNumber), "pageSize" => $pageSize, "totalPage" => $totalPage, "totalRow" => intval($totalRow));

render($page);

}

//执行查询数据库

function select($TABLE, $SQL)

{

$sql = sprintf("SELECT * FROM %s %s", $TABLE, AssembleSQL($SQL));

$db = $GLOBALS["MySQL"]->query($sql);

$reslut = $db->fetchAll(PDO::FETCH_ASSOC);

render($reslut);

}

//执行插入数据库

function insert($TABLE, $SQL)

{

$sql = sprintf("INSERT INTO %s %s", $TABLE, AssembleSQL($SQL));

$reslut = $GLOBALS["MySQL"]->exec($sql);

render($reslut);

}

//执行更新数据库

function update($TABLE, $SQL)

{

$sql = sprintf("UPDATE %s %s", $TABLE, AssembleSQL($SQL));

$reslut = $GLOBALS["MySQL"]->exec($sql);

render($reslut);

}

//执行删除数据库

function delete($TABLE, $SQL)

{

$sql = sprintf("DELETE FROM %s %s", $TABLE, AssembleSQL($SQL));

$reslut = $GLOBALS["MySQL"]->exec($sql);

render($reslut);

}

//视图

function render($reslut, $msg = null)

{

$GLOBALS["MySQL"] = null;

if (empty($msg)) {

die(json_encode($reslut));

} else {

die(json_encode($msg));

}

//判断表是否存在

function isTable($table)

{

$result = $GLOBALS["MySQL"]->query("SHOW TABLES LIKE '" . $table . "'")->fetchAll(PDO::FETCH_GROUP);

if ($result) {

return true;

} else {

return false;

}

HTTP代码

Test

Test Ajax POST Request

GET select

GET delete

GET update

GET insert

GET query

$(function () {

$("#but5").on("click", function () {

let URL = "http://127.0.0.1/index.php";

let param = { "query": "mock_data", "page": [1] };