wangqing
4 years ago
5 changed files with 323 additions and 0 deletions
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<template> |
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<p :style="{'color':color,'text-align':textAlign}"> |
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{{ value }} |
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</p> |
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</template> |
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|
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<script> |
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export default { |
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name: 'DescText', |
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props: { |
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value: { |
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type: String, |
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default: '' |
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}, |
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color: { |
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type: String, |
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default: '#000000' |
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}, |
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textAlign: { |
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type: String, |
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default: 'left' |
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} |
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}, |
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methods: {} |
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} |
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</script> |
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@ -0,0 +1,115 @@ |
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<template> |
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<div> |
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<el-radio-group |
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v-if="!multiple" |
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v-model="selectValue" |
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> |
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<div v-for="option in options" :key="option.value" class="img-radio-item"> |
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<el-image |
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:preview-src-list="[option.image]" |
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:src="option.image" |
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class="image" |
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fit="scale-down" |
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> |
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<div slot="error" class="image-slot"> |
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<i class="el-icon-picture-outline" /> |
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</div> |
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</el-image> |
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<el-radio :label="option.value">{{ option.label }}</el-radio> |
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</div> |
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</el-radio-group> |
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<el-checkbox-group |
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v-else |
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v-model="selectValue" |
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> |
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<div v-for="option in options" :key="option.value" class="img-radio-item"> |
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<el-image |
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:preview-src-list="[option.image]" |
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:src="option.image" |
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class="image" |
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fit="scale-down" |
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> |
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<div slot="error" class="image-slot"> |
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<i class="el-icon-picture-outline" /> |
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</div> |
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</el-image> |
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<el-checkbox :label="option.value">{{ option.label }}</el-checkbox> |
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</div> |
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</el-checkbox-group> |
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</div> |
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</template> |
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|
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<script> |
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export default { |
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name: 'ImageSelect', |
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props: { |
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value: { |
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type: Number, |
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default: 1 |
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}, |
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options: { |
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type: Array, |
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default: function() { |
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return [] |
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}, |
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required: true |
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}, |
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multiple: { |
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type: Boolean, |
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default: false |
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} |
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}, |
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data() { |
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return { |
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selectValue: this.value |
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} |
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}, |
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watch: { |
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selectValue(val) { |
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this.$emit('input', val) |
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}, |
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value(val) { |
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this.selectValue = val |
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} |
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}, |
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methods: { |
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|
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} |
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} |
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</script> |
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<style lang="scss" scoped> |
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::v-deep .el-radio-button__inner, |
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.el-radio-group, |
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.el-checkbox-group { |
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display: flex !important; |
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flex-wrap: wrap; |
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} |
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.img-radio-item { |
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display: flex; |
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flex-direction: column !important; |
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align-content: center !important; |
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align-items: center !important; |
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border: 1px solid rgba(0, 0, 0, 0.1) !important; |
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box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1) !important; |
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margin: 3px !important; |
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background-color: #fff; |
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.image { |
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width: 100px; |
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height: 100px; |
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margin: 2px 15px 4px 15px; |
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} |
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.el-radio { |
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margin: 4px; |
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} |
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} |
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::v-deep .image-slot { |
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display: flex; |
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justify-content: center; |
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align-items: center; |
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width: 100%; |
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height: 100%; |
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//background: #f5f7fa; |
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color: #909399; |
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font-size: 30px; |
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} |
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</style> |
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@ -0,0 +1,49 @@ |
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*, |
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*::before, |
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*::after { |
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box-sizing: border-box; |
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} |
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.signature-pad { |
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position: relative; |
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display: -webkit-box; |
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display: -ms-flexbox; |
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display: flex; |
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-webkit-box-orient: vertical; |
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-webkit-box-direction: normal; |
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-ms-flex-direction: column; |
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flex-direction: column; |
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font-size: 10px; |
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width: 100%; |
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height: 100%; |
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max-width: 900px; |
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max-height: 460px; |
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background-color: #fff; |
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border-radius: 4px; |
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padding: 16px; |
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} |
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.signature-pad::before { |
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left: 20px; |
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-webkit-transform: skew(-3deg) rotate(-3deg); |
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transform: skew(-3deg) rotate(-3deg); |
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} |
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.signature-pad::after { |
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right: 20px; |
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-webkit-transform: skew(3deg) rotate(3deg); |
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transform: skew(3deg) rotate(3deg); |
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} |
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.signature-pad--body { |
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position: relative; |
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-webkit-box-flex: 1; |
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-ms-flex: 1; |
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flex: 1; |
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border: 1px solid #f4f4f4; |
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} |
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.signature-pad--body canvas { |
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position: absolute; |
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left: 0; |
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top: 0; |
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width: 100%; |
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height: 100%; |
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border-radius: 4px; |
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box-shadow: 0 0 5px rgba(0, 0, 0, 0.02) inset; |
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} |
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<template> |
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<div id="signature-pad" class="signature-pad"> |
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<div class="signature-pad--body" style="min-height: 300px; width: 100%;"> |
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<canvas v-show="!signImageUrl" class="canvasId" style="border: 2px dashed #f7f7f7;" /> |
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</div> |
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<img v-if="signImageUrl" :src="signImageUrl"> |
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<p class="desc-text">请在上面区域完成签名 然后点击确"确认"按钮</p> |
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<div v-if="!signImageUrl"> |
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<el-button plain size="mini" type="danger" @click="clear">清除</el-button> |
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<el-button plain size="mini" type="warning" @click="undo">回撤</el-button> |
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<el-button size="mini" type="success" @click="savePng">确认</el-button> |
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</div> |
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<div v-if="signImageUrl"> |
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<el-button size="mini" type="primary" @click="reSign">重签</el-button> |
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</div> |
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</div> |
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</template> |
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|
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<script> |
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import SignaturePad from 'signature_pad' |
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|
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export default { |
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name: 'SignPad', |
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components: {}, |
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data() { |
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return { |
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signaturePad: null, |
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canvas: null, |
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signImageUrl: '', |
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config: { |
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minWidth: 1, |
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maxWidth: 3, |
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penColor: 'rgb(66, 133, 244)' |
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} |
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} |
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}, |
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mounted() { |
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this.init() |
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window.onresize = () => { |
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return (() => { |
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this.resizeCanvas() |
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})() |
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} |
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this.resizeCanvas() |
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}, |
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methods: { |
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resizeCanvas() { |
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console.log('resizeCanvas') |
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let canvas = this.canvas |
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// When zoomed out to less than 100%, for some very strange reason, |
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// some browsers report devicePixelRatio as less than 1 |
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// and only part of the canvas is cleared then. |
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let ratio = Math.max(window.devicePixelRatio || 1, 1) |
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// This part causes the canvas to be cleared |
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canvas.width = canvas.offsetWidth * ratio |
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canvas.height = canvas.offsetHeight * ratio |
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canvas.getContext('2d').scale(ratio, ratio) |
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|
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// This library does not listen for canvas changes, so after the canvas is automatically |
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// cleared by the browser, SignaturePad#isEmpty might still return false, even though the |
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// canvas looks empty, because the internal data of this library wasn't cleared. To make sure |
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// that the state of this library is consistent with visual state of the canvas, you |
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// have to clear it manually. |
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this.signaturePad.clear() |
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}, |
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init() { |
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this.canvas = document.querySelector('.canvasId') |
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let canvas = this.canvas |
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this.signaturePad = new SignaturePad(canvas, this.config) |
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// canvas.height = 300 |
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// canvas.width = 500 |
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}, |
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clear() { |
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this.signaturePad.clear() |
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}, |
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undo() { |
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let data = this.signaturePad.toData() |
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if (data) { |
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data.pop() // remove the last dot or line |
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this.signaturePad.fromData(data) |
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} |
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}, |
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savePng() { |
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if (this.signaturePad.isEmpty()) { |
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this.msgError('请先填写') |
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return |
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} |
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let data = this.signaturePad.toDataURL('image/png') |
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let file = this.dataURLtoFile(data, `${new Date().getTime()}.png`) |
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let param = new FormData() // 创建form对象 |
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param.append('file', file) // 通过append向form对象添加数据 |
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let config = { |
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headers: {'Content-Type': 'multipart/form-data'} |
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} |
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this.$api.post('/project/file/upload/77f1648542af4caf98deb8345a3d0406', param, config).then(res => { |
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this.signImageUrl = res.data |
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}) |
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}, |
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reSign() { |
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this.signImageUrl = '' |
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this.signaturePad.clear() |
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}, |
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dataURLtoFile(dataurl, filename) { |
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// 获取到base64编码 |
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const arr = dataurl.split(',') |
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// 将base64编码转为字符串 |
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const bstr = window.atob(arr[1]) |
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let n = bstr.length |
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const u8arr = new Uint8Array(n) // 创建初始化为0的，包含length个元素的无符号整型数组 |
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while (n--) { |
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u8arr[n] = bstr.charCodeAt(n) |
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} |
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return new File([u8arr], filename, { |
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type: 'image/png' |
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}) |
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} |
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} |
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} |
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</script> |
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<style scoped> |
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@import "index.css"; |
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.sign-pad-container { |
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padding: 1px; |
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} |
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</style> |
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@ -0,0 +1,8 @@ |
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const ImageSelect = require('./ImageSelect/index').default |
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const DescText = require('./DescText/index').default |
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export default { |
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install: Vue => { |
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Vue.component(ImageSelect.name, ImageSelect) |
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Vue.component(DescText.name, DescText) |
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} |
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} |
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