Question

我使用此脚本通过使用json_encode

将所有数据转换为json

while ($row = mysqli_fetch_assoc($result))
    {
        $myData[] = $row;
        echo json_encode($myData, JSON_UNESCAPED_UNICODE);
    }

当我使用此脚本时，结果为空。我在while循环中通过write echo方法检查连接和查询。写入的结果在连接和查询中没有问题，因为在每个循环中都给我数组。

.container {
    background-size: cover;
  background: rgb(226,226,226); /* Old browsers */
  background: -moz-linear-gradient(top,  rgba(226,226,226,1) 0%, rgba(219,219,219,1) 50%, rgba(209,209,209,1) 51%, rgba(254,254,254,1) 100%); /* FF3.6+ */
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(226,226,226,1)), color-stop(50%,rgba(219,219,219,1)), color-stop(51%,rgba(209,209,209,1)), color-stop(100%,rgba(254,254,254,1))); /* Chrome,Safari4+ */
  background: -webkit-linear-gradient(top,  rgba(226,226,226,1) 0%,rgba(219,219,219,1) 50%,rgba(209,209,209,1) 51%,rgba(254,254,254,1) 100%); /* Chrome10+,Safari5.1+ */
  background: -o-linear-gradient(top,  rgba(226,226,226,1) 0%,rgba(219,219,219,1) 50%,rgba(209,209,209,1) 51%,rgba(254,254,254,1) 100%); /* Opera 11.10+ */
  background: -ms-linear-gradient(top,  rgba(226,226,226,1) 0%,rgba(219,219,219,1) 50%,rgba(209,209,209,1) 51%,rgba(254,254,254,1) 100%); /* IE10+ */
  background: linear-gradient(to bottom,  rgba(226,226,226,1) 0%,rgba(219,219,219,1) 50%,rgba(209,209,209,1) 51%,rgba(254,254,254,1) 100%); /* W3C */
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#e2e2e2', endColorstr='#fefefe',GradientType=0 ); /* IE6-9 */
  padding: 20px;
}

.led-box {
  height: 30px;
  width: 25%;
  margin: 10px 0;
  float: left;
}

.led-box p {
  font-size: 12px;
  text-align: center;
  margin: 1em;
}

.led-red {
  margin: 0 auto;
  width: 24px;
  height: 24px;
  background-color: #F00;
  border-radius: 50%;
  box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #441313 0 -1px 9px, rgba(255, 0, 0, 0.5) 0 2px 12px;
  -webkit-animation: blinkRed 0.5s infinite;
  -moz-animation: blinkRed 0.5s infinite;
  -ms-animation: blinkRed 0.5s infinite;
  -o-animation: blinkRed 0.5s infinite;
  animation: blinkRed 0.5s infinite;
}

@-webkit-keyframes blinkRed {
    from { background-color: #F00; }
    50% { background-color: #A00; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #441313 0 -1px 9px, rgba(255, 0, 0, 0.5) 0 2px 0;}
    to { background-color: #F00; }
}
@-moz-keyframes blinkRed {
    from { background-color: #F00; }
    50% { background-color: #A00; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #441313 0 -1px 9px, rgba(255, 0, 0, 0.5) 0 2px 0;}
    to { background-color: #F00; }
}
@-ms-keyframes blinkRed {
    from { background-color: #F00; }
    50% { background-color: #A00; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #441313 0 -1px 9px, rgba(255, 0, 0, 0.5) 0 2px 0;}
    to { background-color: #F00; }
}
@-o-keyframes blinkRed {
    from { background-color: #F00; }
    50% { background-color: #A00; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #441313 0 -1px 9px, rgba(255, 0, 0, 0.5) 0 2px 0;}
    to { background-color: #F00; }
}
@keyframes blinkRed {
    from { background-color: #F00; }
    50% { background-color: #A00; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #441313 0 -1px 9px, rgba(255, 0, 0, 0.5) 0 2px 0;}
    to { background-color: #F00; }
}

.led-yellow {
  margin: 0 auto;
  width: 24px;
  height: 24px;
  background-color: #FF0;
  border-radius: 50%;
  box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #808002 0 -1px 9px, #FF0 0 2px 12px;
  -webkit-animation: blinkYellow 1s infinite;
  -moz-animation: blinkYellow 1s infinite;
  -ms-animation: blinkYellow 1s infinite;
  -o-animation: blinkYellow 1s infinite;
  animation: blinkYellow 1s infinite;
}

@-webkit-keyframes blinkYellow {
    from { background-color: #FF0; }
    50% { background-color: #AA0; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #808002 0 -1px 9px, #FF0 0 2px 0; }
    to { background-color: #FF0; }
}
@-moz-keyframes blinkYellow {
    from { background-color: #FF0; }
    50% { background-color: #AA0; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #808002 0 -1px 9px, #FF0 0 2px 0; }
    to { background-color: #FF0; }
}
@-ms-keyframes blinkYellow {
    from { background-color: #FF0; }
    50% { background-color: #AA0; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #808002 0 -1px 9px, #FF0 0 2px 0; }
    to { background-color: #FF0; }
}
@-o-keyframes blinkYellow {
    from { background-color: #FF0; }
    50% { background-color: #AA0; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #808002 0 -1px 9px, #FF0 0 2px 0; }
    to { background-color: #FF0; }
}
@keyframes blinkYellow {
    from { background-color: #FF0; }
    50% { background-color: #AA0; box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #808002 0 -1px 9px, #FF0 0 2px 0; }
    to { background-color: #FF0; }
}

.led-green {
  margin: 0 auto;
  width: 24px;
  height: 24px;
  background-color: #ABFF00;
  border-radius: 50%;
  box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #304701 0 -1px 9px, #89FF00 0 2px 12px;
}

.led-blue {
  margin: 0 auto;
  width: 24px;
  height: 24px;
  background-color: #24E0FF;
  border-radius: 50%;
  box-shadow: rgba(0, 0, 0, 0.2) 0 -1px 7px 1px, inset #006 0 -1px 9px, #3F8CFF 0 2px 14px;
}

我只需要一个数组来存储我的所有数据我不知道问题出在哪里。

我希望我的问题很清楚

PHP中的json_encode和JSON_UNESCAPED_UNICODE

0 个答案: