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add 增加logicflow流程图预览

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This commit is contained in:
gssong
2025-05-25 11:47:09 +08:00
parent 1ea70dd3ce
commit 3019701856
11 changed files with 675 additions and 155 deletions
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159
src/components/Process/approvalRecord.vue
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@ -3,21 +3,7 @@
<el-dialog v-model="visible" draggable title="审批记录" :width="props.width" :height="props.height" :close-on-click-modal="false">
<el-tabs v-model="tabActiveName" class="demo-tabs">
<el-tab-pane v-loading="loading" label="流程图" name="image" style="height: 68vh">
<div
ref="imageWrapperRef"
class="image-wrapper"
@wheel="handleMouseWheel"
@mousedown="handleMouseDown"
@mousemove="handleMouseMove"
@mouseup="handleMouseUp"
@mouseleave="handleMouseLeave"
@dblclick="resetTransform"
:style="transformStyle"
>
<el-card class="box-card">
<el-image :src="imgUrl" class="scalable-image" />
</el-card>
</div>
<flowChart :defJson="defJson" v-if="defJson != ''" />
</el-tab-pane>
<el-tab-pane v-loading="loading" label="审批信息" name="info">
<div>
@ -76,7 +62,7 @@
import { flowImage } from '@/api/workflow/instance';
import { propTypes } from '@/utils/propTypes';
import { listByIds } from '@/api/system/oss';
import FlowChart from '@/components/Process/flowChart.vue';
const { proxy } = getCurrentInstance() as ComponentInternalInstance;
const { wf_task_status } = toRefs<any>(proxy?.useDict('wf_task_status'));
const props = defineProps({
@ -88,6 +74,7 @@ const visible = ref(false);
const historyList = ref<Array<any>>([]);
const tabActiveName = ref('image');
const imgUrl = ref('');
const defJson = ref<any>('');
//初始化查询审批记录
const init = async (businessId: string | number) => {
@ -99,6 +86,7 @@ const init = async (businessId: string | number) => {
if (resp.data) {
historyList.value = resp.data.list;
imgUrl.value = 'data:image/gif;base64,' + resp.data.image;
defJson.value = resp.data.defChart.defJson;
if (historyList.value.length > 0) {
historyList.value.forEach((item) => {
if (item.ext) {
@ -124,109 +112,6 @@ const handleDownload = (ossId: string) => {
proxy?.$download.oss(ossId);
};
const imageWrapperRef = ref<HTMLElement | null>(null);
const scale = ref(1); // 初始缩放比例
const maxScale = 3; // 最大缩放比例
const minScale = 0.5; // 最小缩放比例
let isDragging = false;
let startX = 0;
let startY = 0;
let currentTranslateX = 0;
let currentTranslateY = 0;
const handleMouseWheel = (event: WheelEvent) => {
event.preventDefault();
let newScale = scale.value - event.deltaY / 1000;
newScale = Math.max(minScale, Math.min(newScale, maxScale));
if (newScale !== scale.value) {
scale.value = newScale;
resetDragPosition(); // 重置拖拽位置，使图片居中
}
};
const handleMouseDown = (event: MouseEvent) => {
if (scale.value > 1) {
event.preventDefault(); // 阻止默认行为，防止拖拽
isDragging = true;
startX = event.clientX;
startY = event.clientY;
}
};
const handleMouseMove = (event: MouseEvent) => {
if (!isDragging || !imageWrapperRef.value) return;
const deltaX = event.clientX - startX;
const deltaY = event.clientY - startY;
startX = event.clientX;
startY = event.clientY;
currentTranslateX += deltaX;
currentTranslateY += deltaY;
// 边界检测，防止图片被拖出容器
const bounds = getBounds();
if (currentTranslateX > bounds.maxTranslateX) {
currentTranslateX = bounds.maxTranslateX;
} else if (currentTranslateX < bounds.minTranslateX) {
currentTranslateX = bounds.minTranslateX;
}
if (currentTranslateY > bounds.maxTranslateY) {
currentTranslateY = bounds.maxTranslateY;
} else if (currentTranslateY < bounds.minTranslateY) {
currentTranslateY = bounds.minTranslateY;
}
applyTransform();
};
const handleMouseUp = () => {
isDragging = false;
};
const handleMouseLeave = () => {
isDragging = false;
};
const resetTransform = () => {
scale.value = 1;
currentTranslateX = 0;
currentTranslateY = 0;
applyTransform();
};
const resetDragPosition = () => {
currentTranslateX = 0;
currentTranslateY = 0;
applyTransform();
};
const applyTransform = () => {
if (imageWrapperRef.value) {
imageWrapperRef.value.style.transform = `translate(${currentTranslateX}px, ${currentTranslateY}px) scale(${scale.value})`;
}
};
const getBounds = () => {
if (!imageWrapperRef.value) return { minTranslateX: 0, maxTranslateX: 0, minTranslateY: 0, maxTranslateY: 0 };
const imgRect = imageWrapperRef.value.getBoundingClientRect();
const containerRect = imageWrapperRef.value.parentElement?.getBoundingClientRect() ?? imgRect;
const minTranslateX = (containerRect.width - imgRect.width * scale.value) / 2;
const maxTranslateX = -(containerRect.width - imgRect.width * scale.value) / 2;
const minTranslateY = (containerRect.height - imgRect.height * scale.value) / 2;
const maxTranslateY = -(containerRect.height - imgRect.height * scale.value) / 2;
return { minTranslateX, maxTranslateX, minTranslateY, maxTranslateY };
};
const transformStyle = computed(() => ({
transition: isDragging ? 'none' : 'transform 0.2s ease'
}));
/**
* 对外暴露子组件方法
*/
@ -235,46 +120,10 @@ defineExpose({
});
</script>
<style lang="scss" scoped>
.triangle {
box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
border-radius: 6px;
}
.triangle::after {
content: ' ';
position: absolute;
top: 8em;
right: 215px;
border: 15px solid;
border-color: transparent #fff transparent transparent;
}
.container {
:deep(.el-dialog .el-dialog__body) {
max-height: calc(100vh - 170px) !important;
min-height: calc(100vh - 170px) !important;
}
}
.image-wrapper {
width: 100%;
overflow: hidden;
position: relative;
margin: 0 auto;
display: flex;
justify-content: center;
align-items: center;
user-select: none; /* 禁用文本选择 */
cursor: grab; /* 设置初始鼠标指针为可拖动 */
}
.image-wrapper:active {
cursor: grabbing; /* 当正在拖动时改变鼠标指针 */
}
.scalable-image {
object-fit: contain;
width: 100%;
padding: 15px;
}
</style>