feat: 新增背景图默认加载3个固定位置文本框

js/script.js

@@ -237,12 +237,57 @@
                 bgOpacitySlider.value = 100;
                 bgOpacityValue.textContent = '100%';
                 updateBgImage();
+                
+                // 创建初始文本输入框
+                createInitialTextInputs();
             };
             img.src = e.target.result;
         };
         reader.readAsDataURL(file);
     }
     
+    // 创建初始文本输入框
+    function createInitialTextInputs() {
+        const container = imageContainer;
+        const containerWidth = container.clientWidth;
+        const containerHeight = container.clientHeight;
+        
+        // 定义3个输入框的位置（像素值）
+        const inputs = [
+            { left: 98, top: 232.945, text: '参会企业：' },
+            { left: 98, top: 275.555, text: '姓名：' },
+            { left: 98, top: 317.548, text: '编号：' }
+        ];
+        
+        inputs.forEach((input, index) => {
+            const textEl = document.createElement('div');
+            textEl.className = 'text-input';
+            textEl.contentEditable = 'false';
+            textEl.textContent = input.text;
+            
+            // 将像素位置转换为百分比
+            const leftPercent = (input.left / containerWidth * 100);
+            const topPercent = (input.top / containerHeight * 100);
+            textEl.style.left = leftPercent + '%';
+            textEl.style.top = topPercent + '%';
+            
+            // 删除按钮
+            const deleteBtn = document.createElement('button');
+            deleteBtn.className = 'text-delete-btn';
+            deleteBtn.innerHTML = '×';
+            deleteBtn.addEventListener('click', (e) => {
+                e.stopPropagation();
+                textEl.remove();
+            });
+            textEl.appendChild(deleteBtn);
+            
+            const inputLayer = container.querySelector('.preview-input-layer');
+            inputLayer.appendChild(textEl);
+            
+            initInput(textEl);
+        });
+    }
+
     // 添加文本输入框
     function addTextInput() {
         const container = imageContainer;