fix:用canvas裁剪缩放1080×1080替代plus.zip(不兼容nvue)

pages/upload/camera_capture.nvue

@@ -66,6 +66,9 @@
 			</view>
 			<image class="cc-preview-img" :src="previewSrc" mode="aspectFill" :style="'width:' + previewSize + 'px;height:' + previewSize + 'px;'"></image>
 		</view>
+
+		<!-- 隐藏的canvas（用于裁剪缩放） -->
+		<canvas canvas-id="resizeCanvas" style="width:1080px;height:1080px;position:fixed;left:-9999px;top:-9999px;"></canvas>
 	</view>
 </template>
 
@@ -141,27 +144,28 @@
 						var w = info.width
 						var h = info.height
 						var size = Math.min(w, h)
-						var clipX = Math.floor((w - size) / 2)
+						var sx = Math.floor((w - size) / 2)
-						var clipY = Math.floor((h - size) / 2)
+						var sy = Math.floor((h - size) / 2)
-						plus.zip.compressImage({
+						// 用canvas裁剪 + 缩放
-							src: srcPath,
+						var ctx = uni.createCanvasContext('resizeCanvas', that)
-							dst: '_doc/sq_' + Date.now() + '.jpg',
+						ctx.drawImage(srcPath, sx, sy, size, size, 0, 0, 1080, 1080)
-							width: '1080',
+						ctx.draw(false, function() {
-							height: '1080',
+							setTimeout(function() {
-							quality: 95,
+								uni.canvasToTempFilePath({
-							overwrite: true,
+									canvasId: 'resizeCanvas',
-							clip: {
+									x: 0, y: 0,
-								x: clipX,
+									width: 1080, height: 1080,
-								y: clipY,
+									destWidth: 1080, destHeight: 1080,
-								width: size,
+									fileType: 'jpg',
-								height: size
+									quality: 1,
-							}
+									success: function(res) {
+										that.capturedList.push(res.tempFilePath)
 									},
-						function(res) {
+									fail: function() {
-							that.capturedList.push(res.target)
-						},
-						function() {
 										that.capturedList.push(srcPath)
+									}
+								}, that)
+							}, 300)
 						})
 					},
 					fail: function() {