PHP JSON函数代码示例

 public function sign_action()
 {
     if (!$this->input->is_ajax_request()) {
         show_404();
     }
     $e = $this->input->post('name', true);
     $c = $this->input->post('captcha', true);
     $p = $this->input->post('password', true);
     $e = strtolower(trim($e));
     $p = strtolower(trim($p));
     $c = strtolower(trim($c));
     $sess = $this->session->userdata('captcha');
     if (md5($c) != $sess) {
         JSON('error', '验证码输入有误!');
     }
     /** 登录用户登录状态 */
     $user = $this->auth->checkuserlogin($e, $p);
     if (false === $user) {
         JSON('error', '用户名或密码错误!');
     }
     $arr = explode('|', config_item('site_admin_uid'));
     if (!$user->uid or !in_array($user->uid, $arr)) {
         JSON('error', '你的账号状态不正常!');
     }
     /** 处理用户登录 */
     $this->auth->process_login($user);
     JSON('success', '登录成功!', admin_site_url());
 }

 function move_group($id, $group_id)
 {
     is_array($id) || ($id = explode(',', $id));
     $data['uid'] = $map['uid'] = array('in', $id);
     // $data ['group_id'] = $group_id; //TODO 前端微信用户只能有一个微信组
     $res = M('auth_group_access')->where($data)->delete();
     $data['group_id'] = $group_id;
     foreach ($id as $uid) {
         $data['uid'] = $uid;
         $res = M('auth_group_access')->add($data);
         // 更新用户缓存
         D('Common/User')->getUserInfo($uid, true);
     }
     $group = $this->find($group_id);
     // 同步到微信端
     if (C('USER_GROUP') && !empty($group['wechat_group_id'])) {
         $url = 'https://api.weixin.qq.com/cgi-bin/groups/members/update?access_token=' . get_access_token();
         $map['token'] = get_token();
         $follow = M('public_follow')->where($map)->field('openid, uid')->select();
         foreach ($follow as $v) {
             if (empty($v['openid'])) {
                 continue;
             }
             $param['openid'] = $v['openid'];
             $param['to_groupid'] = $group['wechat_group_id'];
             $param = JSON($param);
             $res = post_data($url, $param);
         }
     }
     return $group;
 }

function callback($status, $msg = 'Yes!', $data = array())
{
    $return = array('status' => $status, 'msg' => $msg, 'data' => $data, 'num' => count($data));
    header('charset=utf-8');
    //die(json_encode($return));
    exit(JSON($return));
}

 function list_data()
 {
     $page = I('p', 1, 'intval');
     $map['token'] = get_token();
     $list_data = M('coupon_shop')->where($map)->order('id DESC')->page($page, 20)->selectPage(20);
     // dump ( $list_data );
     echo JSON($list_data);
 }

 public function infopart_list($start, $end)
 {
     $info_db = M('info');
     $map['infoid'] = array(array('gt', $start), array('lt', $end));
     $data = $info_db->where($map)->select();
     header('Content-Type:text/html;Charset=UTF-8');
     echo JSON($data);
 }

 /**
  * 统一数据返回
  * @param unknown_type $status
  * @param unknown_type $msg
  * @param unknown_type $data
  */
 protected function callback($status, $msg = 'Yes!', $data = array())
 {
     $return = array('status' => $status, 'msg' => $msg, 'data' => $data, 'num' => count($data));
     //	header('Content-Type:text/html;charset=utf-8');
     header('Content-Type:application/json;charset=utf-8');
     //die(json_encode($return));
     die(JSON($return));
 }

function post_youkang_data1($url, $param, $is_file = false, $return_array = true)
{
    $param = JSON($param);
    $data = http_build_query($param);
    $length = strlen($data);
    $fp = fsockopen("http://www.youkang120.com", 80, $errno, $errstr, 10) or exit($errstr . "--->" . $errno);
    $header = "POST /mobileConsultationList HTTP/1.1\r\n";
    $header .= "Host:localhost\r\n";
    $header .= "Content-Length: " . $lenght . "\r\n";
    $header .= "Content-Type: application/x-www-form-urlencoded\r\n";
    $header .= 'Connection: Keep-Alive\\r\\n';
    $header .= 'Pragma: no-cache\\r\\n';
    $header .= 'Cache-Control: no-cache\\r\\n';
    $header .= "Connection: Close\r\n\r\n";
    $header .= $data . "\r\n";
    fwrite($fp, $header);
    while (!feof($fp)) {
        echo fgets($fp, 1280);
    }
    fclose($fp);
}

 public function stats_action()
 {
     if (!$this->input->is_ajax_request()) {
         show_404();
     }
     $this->_clear();
     $stats = $this->_stats();
     JSON('success', '共计 ' . $stats['rows'] . ' 个标签，当前操作已成功更新 ' . $stats['affe'] . ' 条记录！');
 }

function post_data($url, $param, $is_file = false, $return_array = true)
{
    if (!$is_file && is_array($param)) {
        $param = JSON($param);
    }
    if ($is_file) {
        $header[] = "content-type: multipart/form-data; charset=UTF-8";
    } else {
        $header[] = "content-type: application/json; charset=UTF-8";
    }
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
    curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)');
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
    curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $param);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $res = curl_exec($ch);
    $flat = curl_errno($ch);
    if ($flat) {
        $data = curl_error($ch);
        addWeixinLog($flat, 'post_data flat');
        addWeixinLog($data, 'post_data msg');
    }
    curl_close($ch);
    $return_array && ($res = json_decode($res, true));
    return $res;
}

         $search_text = $_POST['search_text'];
         $sql = "insert into baidu(search_text) values(" . "'{$search_text}'" . ")";
         mysql_query($sql, $conn);
         echo "save_ok";
         mysql_close($conn);
     }
 } else {
     if ($code == "show") {
         if ($_POST['search_text']) {
             $search_text = $_POST['search_text'];
             //使用模糊查询进行关键字搜索
             $sql = "select search_text from baidu where search_text like '%" . $search_text . "%'";
             $res = mysql_query($sql, $conn);
             $result = "";
             while ($row = mysql_fetch_assoc($res)) {
                 $result = $result . JSON($row) . "#";
                 //以#字符作为json字符串数组的分隔符
             }
             echo $result;
             mysql_free_result($res);
             mysql_close($conn);
         }
     } else {
         if ($code == "delete") {
             if ($_POST['search_text']) {
                 $search_text = $_POST['search_text'];
                 //删除该关键字的数据库记录
                 $sql = "delete from baidu where search_text = '{$search_text}'";
                 $res = mysql_query($sql, $conn);
                 if ($res) {
                     $result = "succeed";

function verificarLogin()
{
    $datos = $_POST;
    try {
        $user = Usuario_NetoSolis::find(array('conditions' => array('email = ? AND password =  ?', $datos['email'], $datos['password'])));
        if ($user) {
            if ($user->status == 1) {
                JSON(true, 'Bienvenido tus datos son correctos.');
            } else {
                JSON(false, 'Tu cuenta no esta activada. Te enviamos un email con un link para activar tu cuenta.');
            }
        } else {
            JSON(false, 'Los datos son incorrectos. Favor de verificarlos.');
        }
    } catch (Exception $e) {
        JSON(false, 'Los datos son incorrectos. Favor de verificarlos.' . $e);
    }
}

<?php

require "link.php";
require "jsonHelper.php";
$array;
$i = 0;
$sql = "SELECT * FROM weekassignment WHERE id >0";
$result = $mysql->query($sql);
while ($final = $result->fetch_array()) {
    $array[$i]['id'] = $final['id'];
    $array[$i]['startdate'] = $final['startdate'];
    $array[$i]['enddate'] = $final['enddate'];
    $array[$i]['assignment'] = $final['assignment'];
    $array[$i]['process'] = $final['process'];
    $i++;
}
echo JSON($array);

 function _send_by_openid($openids)
 {
     $openids = wp_explode($openids);
     if (empty($openids)) {
         $this->error('要发送的OpenID值不能为空');
     }
     if (count($openids) < 2) {
         $this->error('OpenID至少需要2个或者2个以上');
     }
     $url = 'https://api.weixin.qq.com/cgi-bin/message/mass/send?access_token=' . get_access_token();
     $info = $this->_sucai_media_info();
     $param['touser'] = $openids;
     if ($info['msgtype'] == 'text') {
         $param['text']['content'] = $info['media_id'];
         $param['msgtype'] = $info['msgtype'];
     } else {
         if ($info['msgtype'] == 'mpnews') {
             $param['mpnews']['media_id'] = $info['media_id'];
             $param['msgtype'] = $info['msgtype'];
         } else {
             if ($info['msgtype'] == 'voice') {
                 $param['voice']['media_id'] = $info['media_id'];
                 $param['msgtype'] = $info['msgtype'];
             } else {
                 if ($info['msgtype'] == 'mpvideo') {
                     $param['video']['media_id'] = $info['media_id'];
                     $param['msgtype'] = $info['video'];
                 }
             }
         }
     }
     $param = JSON($param);
     $res = post_data($url, $param);
     if ($res['errcode'] != 0) {
         $this->error(error_msg($res));
     } else {
         return $res['msg_id'];
     }
 }

 public function delete_action()
 {
     if (!$this->input->is_ajax_request()) {
         show_404();
     }
     $cid = (int) $this->input->post('cid');
     $new = (int) $this->input->post('newcategory');
     $category = $this->category_model->get_info(array('cid' => $cid));
     if (!$category or $new === 0) {
         JSON('error', '对不起，没有找到您要删除的分类！');
     }
     $this->db->delete('category', array('cid' => $cid));
     if ($this->db->affected_rows()) {
         // 转移该分类下的所有文章
         $this->db->update('article', array('cid' => $new), array('cid' => $cid));
         JSON('success', '恭喜，分类 ' . $category->name . ' 删除成功！');
     } else {
         JSON('error', '对不起，删除分类失败，请重试！');
     }
 }

     case 'getpersons':
         if ($type == 0) {
             $persons = PersonManager::searchPersons($query, 1, -1);
         } else {
             $persons = PersonManager::searchPersonsBySunccoNo($query, 1, -1);
         }
         if ($persons === false) {
             return;
         }
         $personNames = array();
         $personCount = count($persons['persons']);
         for ($i = 0; $i < $personCount; $i++) {
             $person = $persons['persons'][$i];
             $personNames[$i] = $person->name . "_" . $person->personId . "_" . $person->sunccoNo;
         }
         echo JSON($personNames);
         return;
         break;
     case 'getBorrowerInfo':
         if (strlen($query) != 0) {
             $person = BookManager::getPerson($query);
             if ($person === false) {
                 echo "";
             } else {
                 echo $person->name . "_" . $person->personId . "_" . $person->sunccoNo;
             }
         }
         break;
     default:
         break;
 }