fleat: update search input

customers.php

@@ -688,10 +688,8 @@ $hrefstr = "?keys=" . $keys;
             </select>
         </div>
         <div class="inputSearch">
-            <input type="text" id="keys" class="inputTxt" 
-                value="<?= empty($keyscode) ? '请输入搜索关键词' : $keyscode ?>" 
-                onFocus="if(this.value == '<?= empty($keyscode) ? '请输入搜索关键词' : $keyscode ?>'){this.value='';}" 
-                onBlur="if(this.value == ''){this.value='<?= empty($keyscode) ? '请输入搜索关键词' : $keyscode ?>';}" 
+            <input type="text" id="keys" class="inputTxt"  placeholder="请输入搜索关键词"
+                value="<?= empty($keyscode) ? '' : $keyscode ?>"
                 onKeyDown="if(event.keyCode==13){location.href='?Keys='+encodeURIComponent(document.getElementById('keys').value)}" />
             <input type="button" id="searchgo" class="searchgo" value="go" 
                 onClick="location.href='?Keys='+encodeURIComponent(document.getElementById('keys').value)" />