<?php
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namespace app\api\controller\plus\business;
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use app\api\controller\Controller;
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use app\api\model\plus\business\Template as TemplateModel;
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class Template extends Controller
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{
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/**
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* 获取模板列表
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*/
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public function getList()
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{
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$model = new TemplateModel();
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$param = $this->request->param();
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$list = $model->lists($param);
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// 获取屏幕宽度
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$screenWidth = isset($param['screenWidth']) ? floatval($param['screenWidth']) : 375;
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foreach($list as $index => $item) {
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// 解析style JSON
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$style = json_decode($item['style'], true);
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if (!$style) {
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$list[$index]['style'] = [];
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continue;
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}
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// 计算缩放比例 (基于背景图宽度)
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$backdropWidth = isset($style['backdrop']['width']) && $style['backdrop']['width'] > 0
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? floatval($style['backdrop']['width'])
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: 375;
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$scale = round($screenWidth / $backdropWidth, 4);
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// 需要缩放的数值字段(排除这些字段名)
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$excludeKeys = ['color', 'src', 'style', 'display', 'type', 'src'];
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// 递归处理style数组,对所有数值字段进行缩放
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$this->scaleStyleValues($style, $scale, $excludeKeys);
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$list[$index]['style'] = $style;
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}
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return $this->renderSuccess('', $list);
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}
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/**
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* 递归缩放style中的数值字段
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* @param array &$data 数据数组(引用传递)
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* @param float $scale 缩放比例
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* @param array $excludeKeys 不需要缩放的键名
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*/
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private function scaleStyleValues(&$data, $scale, $excludeKeys = [])
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{
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if (!is_array($data)) {
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return;
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}
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foreach ($data as $key => &$value) {
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if (is_array($value)) {
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// 递归处理子数组
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$this->scaleStyleValues($value, $scale, $excludeKeys);
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} elseif (is_numeric($value) && !in_array($key, $excludeKeys)) {
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// 对数值进行缩放(非0值)
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if ($value != 0) {
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$value = round($value * $scale, 2);
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}
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}
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// 其他类型(字符串等)保持不变
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}
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}
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/**
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* 获取模板详情
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* @param $template_id
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* @return array
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\ModelNotFoundException
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* @throws \think\exception\DbException
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*/
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public function detail($template_id)
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{
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$model = new TemplateModel();
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$detail = $model->detail($template_id);
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if (!$detail) {
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return $this->renderError('模板不存在');
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}
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$detail['style'] = json_decode($detail['style'], true);
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return $this->renderSuccess($detail);
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}
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/**
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* 添加模板
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*/
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public function add()
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{
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$param = request()->param();
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$param['style'] = json_encode($param['style'], JSON_UNESCAPED_UNICODE);
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if ((new TemplateModel())->add($param)) {
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return $this->renderSuccess('添加成功');
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}
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return $this->renderError('添加失败');
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}
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/**
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* 编辑模板
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*/
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public function edit()
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{
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$param = request()->param();
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$model = (new TemplateModel())->detail($param['template_id']);
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if (!$model) {
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return $this->renderError('模板不存在');
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}
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$param['style'] = json_encode($param['style'], JSON_UNESCAPED_UNICODE);
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unset($param['template_id']);
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if ($model->save($param)) {
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return $this->renderSuccess('', '编辑成功');
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}
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return $this->renderError('编辑失败');
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}
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}
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