keyword 图表不连续

application/controllers/keyworlds.php

@@ -101,12 +101,12 @@ class Keyworlds extends CI_Controller {
                     // 每条线
                     $data['rank_json'] .='{"name":"' . $ra[$data_time[0]]->kw_keyworlds . '","data":[';
                     // 每个点
-                    $tmp_rank = "";
+                    $tmp_rank = "null";
                     foreach ($ra as $v) {
-                        $tmp_rank = $v->kwr_rank;
-                        $kwr_rank = intval(trim($v->kwr_rank))>0 ? $v->kwr_rank : "null";
+                        $tmp_rank = trim($v->kwr_rank)=="" ? $tmp_rank : $v->kwr_rank;
+                        // $kwr_rank = intval(trim($v->kwr_rank))>0 ? $v->kwr_rank : "null";
                         $kwr_rank = ($v->kwr_rank==151) ? "null" : $tmp_rank;
-                        // $kwr_rank = trim($kwr_rank)=="" ? $tmp_rank : $kwr_rank;
+                        // $kwr_rank = trim($kwr_rank)=="" ? "null" : $kwr_rank;
                         if ($v->kwr_rank == '>150') {
                             $kwr_rank = 100;
                         }

application/views/keyworlds/index.php

@@ -43,7 +43,7 @@
         <div id="zhexiantu" class="span12" style="height:<?php if($wordcount==1) {echo '620px';}else{echo '1000px;';} ?>;margin-left:0;padding-right: 15px;"></div>
         <?php } if (!empty($rank_info)) { ?>
         <legend>排名情况</legend>
-        <!-- update time 2 -->
+        <!-- update time 3 -->
         <table class="table table-striped">
           <thead>
             <tr>