Ajax request json data

Request json data in the same domain

Client js code:

<script><span>
    $.ajax({
        url: </span>'http://127.0.0.2/index.php'<span>,
        type: </span>'GET'<span>,
        dataType: </span>'json'<span>,
        data: {ac: </span>'xcajax',at: 'goodslist'<span>},
        success: </span><span>function</span><span>(json){
            $.each(json,</span><span>function</span><span>(i){
                   console.log(json[i].title);
            })
        }
    });
    
    
</span></script>

View Code

Server-side PHP code:

<span>function</span><span> in_goodslist() {
        </span><span>$callback</span> = <span>$this</span>->fun->accept('callback', 'G'<span>);
        </span><span>$db_table</span> = db_prefix . 'advert'<span>;
        </span><span>$db_where</span> = ' WHERE isclass=1 AND atid=6'<span>;
        </span><span>$bann_array</span> = <span>array</span><span>();
        </span><span>$sql</span> = "SELECT * FROM <span>$db_table</span> <span>$db_where</span> ORDER BY pid,adid DESC LIMIT 0,10"<span>;
        </span><span>$rs</span> = <span>$this</span>->db->query(<span>$sql</span><span>);
        </span><span>while</span> (<span>$rsList</span> = <span>$this</span>->db->fetch_assoc(<span>$rs</span><span>)) {

            </span><span>if</span> (<span>$rsList</span>['islink'] == 2 && <span>$rsList</span>['gotoid'] > 0<span>) {
                </span><span>$docread</span> = <span>$this</span>->get_documentview(<span>$rsList</span>['gotoid'<span>]);
                </span><span>if</span> (<span>$docread</span>['did'] > 0) <span>$rsList</span>['url'] = <span>$this</span>->get_link('doc', <span>$docread</span>, <span>$lngpack</span><span>);
            }

            </span><span>if</span> (<span>$rsList</span>['istime'] == 1<span>) {
                </span><span>if</span> (<span>$rsList</span>['starttime'] < <span>time</span>() && <span>$rsList</span>['endtime'] > <span>time</span><span>()) {
                    </span><span>$bann_array</span>[] = <span>$rsList</span><span>;
                }
            } </span><span>else</span><span> {
                </span><span>$bann_array</span>[] = <span>$rsList</span><span>;
            }
        }
        </span><span>$json</span> = json_encode(<span>$bann_array</span><span>);
        </span><span>//</span><span>$json = $bann_array;</span>
        <span>echo</span> <span>$callback</span>."(<span>$json</span>)"<span>;
    }</span>

View Code

Request json data across domains

Client js code:

<script><span>
    $.ajax({
        type: </span>'GET'<span>,
        async: </span><span>false</span><span>,
        url: </span>'http://zbcn.cn/index.php'<span>,
        dataType: </span>'jsonp'<span>,
        data: {ac: </span>'xcajax',at: 'goodslist'<span>},
        jsonp: </span>'callback'<span>,
        success: </span><span>function</span><span>(json){
            $.each(json,</span><span>function</span><span>(i){
                   console.log(json[i].title);
            })
        }
    });
    
    
</span></script>

View Code

Server-side php code:

<span>function</span><span> in_goodslist() {
        </span><span>$callback</span> = <span>$this</span>->fun->accept('callback', 'G');<span>//</span><span>GET 封装</span>
        <span>$db_table</span> = db_prefix . 'advert'<span>;
        </span><span>$db_where</span> = ' WHERE isclass=1 AND atid=6'<span>;
        </span><span>$bann_array</span> = <span>array</span><span>();
        </span><span>$sql</span> = "SELECT * FROM <span>$db_table</span> <span>$db_where</span> ORDER BY pid,adid DESC LIMIT 0,10"<span>;
        </span><span>$rs</span> = <span>$this</span>->db->query(<span>$sql</span><span>);
        </span><span>while</span> (<span>$rsList</span> = <span>$this</span>->db->fetch_assoc(<span>$rs</span><span>)) {

            </span><span>if</span> (<span>$rsList</span>['islink'] == 2 && <span>$rsList</span>['gotoid'] > 0<span>) {
                </span><span>$docread</span> = <span>$this</span>->get_documentview(<span>$rsList</span>['gotoid'<span>]);
                </span><span>if</span> (<span>$docread</span>['did'] > 0) <span>$rsList</span>['url'] = <span>$this</span>->get_link('doc', <span>$docread</span>, <span>$lngpack</span><span>);
            }

            </span><span>if</span> (<span>$rsList</span>['istime'] == 1<span>) {
                </span><span>if</span> (<span>$rsList</span>['starttime'] < <span>time</span>() && <span>$rsList</span>['endtime'] > <span>time</span><span>()) {
                    </span><span>$bann_array</span>[] = <span>$rsList</span><span>;
                }
            } </span><span>else</span><span> {
                </span><span>$bann_array</span>[] = <span>$rsList</span><span>;
            }
        }
        </span><span>$json</span> = json_encode(<span>$bann_array</span><span>);
        </span><span>echo</span> <span>$callback</span>."(<span>$json</span>)"<span>;
    }</span>

View Code

The above introduces the Ajax request for json data, including the content. I hope it will be helpful to friends who are interested in PHP tutorials.