hfysite/phpAPi/getSolutionPage.php

<?php
include('../conn_mysqli.php');
include('../phpMode/rcodeMap.php');
$key = $_POST['key'];
$type = $_POST['type'] ? $_POST['type'] : 'all';
// 设置 $page 的默认值为1，并限定取值范围在1-10之间
$page = isset($_POST['page']) ? max(1, min(10, intval($_POST['page']))) : 1;
// 设置 $limit 的默认值为20，并限定取值范围在1-100之间
$limit = isset($_POST['limit']) ? max(1, min(100, intval($_POST['limit']))) : 20;
$offset = ($page - 1) * $limit;

header('Content-Type:text/json;charset=utf-8;');
//echo "param:" . $key . "-" . $type . "-" . $limit . "-" . $offset . "   ";

try {
  $resObj = array(
    'rcode' => Rcode_OK,
    'data' => "",
    'msg' => 'ok'
  );
  set_time_limit(50);
  $conn = createConn();
  $sql = "";
  $stmt = null;
//echo "fuck php not conn ?";
  if ($type == "all") {
    // 无条件全选
    if (!empty($key)) {
//      echo " \n php is low \n";
      $sql = "SELECT count(*) as total  FROM mysql85931094_db.hfy_news as news  where news.title like '".$key."'";
      $stmt = mysqli_prepare($conn, $sql);
      mysqli_stmt_bind_param($stmt, "s", $key);
    } else {
//      echo " \n fuck php  \n";
      $sql = 'SELECT count(*) as total
FROM mysql85931094_db.hfy_news as news  ';
      $stmt = mysqli_prepare($conn, $sql);
//      mysqli_stmt_bind_param($stmt, "");
    }
  } else {
    if (!empty($key)) {
//      echo " \n fuck php ?  \n";
      $sql = 'SELECT
     count(*) as total
FROM mysql85931094_db.hfy_news as news ,
                mysql85931094_db.hfy_news_type as n_type
           where news.type_id = n_type.type_id and n_type.type_key = ? and news.title like \''.$key.'\' ;';
      $stmt = mysqli_prepare($conn, $sql);
      mysqli_stmt_bind_param($stmt, "s", $type);
    } else {
//      echo " \n fuck fuck fuck  \n";
      $sql = 'SELECT
     count(*) as total
FROM mysql85931094_db.hfy_news as news , mysql85931094_db.hfy_news_type as n_type
           where news.type_id = n_type.type_id and n_type.type_key = ? ;';
      $stmt = mysqli_prepare($conn, $sql);
      mysqli_stmt_bind_param($stmt, "s", $type);
    }
  }

  mysqli_stmt_execute($stmt);
//  echo " fuck_2";
  $res = mysqli_stmt_get_result($stmt);
//  mysqli_stmt_get_result
//  $rs = mysqli_fetch_assoc($res);
  // 获取行数据
//  $result = mysqli_stmt_get_result($stmt);
//  $row = mysqli_fetch_array($result, MYSQLI_NUM);

// 获取行数
//  $count = $row[0];
  $row = mysqli_fetch_array($res, MYSQLI_NUM);
  mysqli_close($conn);
  $resObj['data'] = array(
    'count' => $row[0],
    'limit' => $limit
  );

//  echo "fuck ".$res;
  echo json_encode($resObj);
}catch(Exception $e)
{
  echo 'server Error Message: notFound';
}