{"id":31622,"date":"2024-11-25T11:34:21","date_gmt":"2024-11-25T03:34:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/31622\/"},"modified":"2024-11-25T11:34:21","modified_gmt":"2024-11-25T03:34:21","slug":"%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e5%9b%be%e7%89%87%e9%80%89%e6%8b%a9%e5%8c%ba%e5%9f%9f%e8%a3%81%e5%89%aa","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/31622\/","title":{"rendered":"\u5982\u4f55\u5b9e\u73b0\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u56fe\u7247\u9009\u62e9\u533a\u57df\u88c1\u526a"},"content":{"rendered":"

\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u56fe\u7247\u9009\u62e9\u533a\u57df\u5c4f\u88c1\u526a\u5b9e\u73b0\u65b9\u6cd5\uff0c\u5185\u5bb9\u633a\u4e0d\u9519\u7684\uff0c\u73b0\u5728\u5206\u4eab\u7ed9\u5927\u5bb6\uff0c\u4e5f\u7ed9\u5927\u5bb6\u505a\u4e2a\u53c2\u8003\u3002<\/p>\n

\u672c\u6587\u4ecb\u7ecd\u4e86\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u56fe\u7247\u9009\u62e9\u533a\u57df\u5c4f\u88c1\u526a\u5b9e\u73b0\u65b9\u6cd5\uff0c\u5206\u4eab\u7ed9\u5927\u5bb6\u3002\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n

\u6548\u679c\u56fe <\/p>\n

\"\u5982\u4f55\u5b9e\u73b0\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u56fe\u7247\u9009\u62e9\u533a\u57df\u88c1\u526a\u63d2\u56fe\"<\/p>\n

\"\u5982\u4f55\u5b9e\u73b0\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u56fe\u7247\u9009\u62e9\u533a\u57df\u88c1\u526a\u63d2\u56fe1\"<\/p>\n

\"\u5982\u4f55\u5b9e\u73b0\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u56fe\u7247\u9009\u62e9\u533a\u57df\u88c1\u526a\u63d2\u56fe2\"<\/p>\n

HTML\u4ee3\u7801<\/p>\n<\/p>\n

<view>\n <view>\n <view>\u5f00\u59cb\u88c1\u526a<\/view>\n <view>\u70b9\u51fb\u4e0a\u4f20\u56fe\u7247<\/view>\n <view>\u70b9\u51fb\u786e\u8ba4<\/view>\n <\/view>\n <!-- \u9009\u62e9\u88c1\u526a\u6a21\u5f0f -->\n <view>\n <view>\n  \u7b49\u5c4f\u88c1\u526a\n <\/view>\n <view>\n  \u533a\u57df\u88c1\u526a\n <\/view>\n <\/view>\n <view>\n <slider><\/slider>\n <\/view>\n <view>\n <view>\n  <image><\/image>\n <\/view>\n <view>\u91cd\u65b0\u88c1\u526a<\/view>\n <\/view>\n <view>\n <canvas><\/canvas>\n <view><\/view>\n <\/view>\n \n \n<\/view><\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
CSS\u4ee3\u7801<\/p>\n<\/p>\n
.imgCut_header{\n padding: 30rpx;\n display: flex;\n justify-content: space-between;\n align-items: center;\n background: #000;\n color: #fff;\n font-size: 24rpx;\n}\n.allCavans{\n margin: 20rpx auto;\n position: relative;\n}\n.canvasSty{\n position: absolute;\n}\n.cutImg_box{\n width: 100%;\n \n border-bottom: 2rpx #f98700 solid;\n padding-bottom: 20rpx;\n}\n.cutImg_box .cutImg_box_t{\n width: 90%;\n margin: 20rpx auto;\n}\n.cutImg_box image{\n width: 100%;\n}\n.cutImg_box .cutImg_box_b{\n margin-top: 20rpx;\n width: 80%;\n height: 80rpx;\n line-height: 80rpx;\n background: #f98700;\n color: #fff;\n border-radius: 10rpx;\n text-align: center;\n margin:0rpx auto;\n}\n.selectCutMode{\n background: #fff;\n display: flex;\n justify-content: space-between;\n align-items: center;\n}\n.selectCutMode .selectCutMode_in{\n width: 100%;\n text-align: center;\n background: #fff;\n color: #f98700;\n font-size: 24rpx;\n padding: 20rpx;\n}\n.selectCutMode .selectCutMode_in_act{\n background: #f98700;\n color: #fff;\n padding: 20rpx;\n}\n.areaSelct_box{\n width: 100%;\n display: flex;\n align-items: center;\n height: 50rpx;\n justify-content: center;\n margin-top: 20rpx;\n}\n.areaSelct_box slider{\n width: 80%;\n}\n.cutImg_box .clickCutImg_txt{\n width: 100%;\n text-align: center;\n height: 50rpx;\n font-size: 24rpx;\n line-height: 50rpx;\n color: #999;\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
JS\u4ee3\u7801\u90e8\u5206<\/p>\n
\u521d\u59cb\u52a0\u8f7d\u5e26\u5165\u4e0a\u4e00\u4e2a\u9875\u9762\u5e26\u8fc7\u6765\u7684\u53c2\u6570\u8def\u5f84<\/p>\n<\/p>\n
onLoad: function (options) {\n  var that = this;\n  const ctx = wx.createCanvasContext('cutImg');\n  ctx.setGlobalAlpha(0.4)\n  var aa = 'https:\/\/pintuanqu.oss-cn-hangzhou.aliyuncs.com\/Uploads\/Picture\/goodsShow\/20171201\/5a2125fc86566.png'<br>\u3000\u3000\/\/\u83b7\u53d6\u5f53\u524d\u5c4f\u5e55\u5bbd\u5ea6\n  var phoneW = Number(util.nowPhoneWH()[0]*90)\/100;\n  var cutH = 150;\n  wx.getImageInfo({\n   src: aa,\n   success: function (res) {\n    var w = phoneW;\n    var h = (phoneW\/Number(res.width))*Number(res.height)\n    ctx.save() \n    ctx.drawImage(aa, 0, 0, w, h)\n    ctx.restore()\n    ctx.setFillStyle('red')\n    ctx.fillRect(0, 0, phoneW, cutH)\n    ctx.draw()\n    that.setData({\n     canvasW:w,\n     canvasH:h,\n     img:aa,\n     cutH:cutH\n    })\n   }\n  })\n },<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u786e\u5b9a\u9009\u62e9\u533a\u57df\u5f00\u59cb\u88c1\u526a<\/p>\n<\/p>\n
\/\/ \u70b9\u51fb\u786e\u8ba4\u88c1\u526a\u56fe\u7247\n okCutImg:function(){\n  var that = this;\n  var canvasW = that.data.canvasW;\n  var canvasH = that.data.canvasH;\n  var nowCutW = that.data.cutType?canvasW:that.data.nowCutW;\n  var nowCutH = that.data.cutType?that.data.cutH:that.data.nowCutH;\n  var cutX = that.data.cutX;\n  var cutY = that.data.cutY;\n  const ctx = wx.createCanvasContext('cutImg');\n  ctx.setGlobalAlpha(1)\n  ctx.drawImage(that.data.img, 0, 0, canvasW, canvasH)\n  ctx.draw()\n  wx.canvasToTempFilePath({\n   x: cutX,\n   y: cutY,\n   width: nowCutW,\n   height: nowCutH,\n   destWidth: nowCutW,\n   destHeight: nowCutH,\n   canvasId: 'cutImg',\n   success: function(res) {\n    var aa = res.tempFilePath\n    that.setData({\n     cutImgUrl:aa,\n     prienFlag:false,\n     alreay:false\n    })\n   } \n  })\n },<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u7ea2\u6846\u6839\u636e\u624b\u6307\u79fb\u52a8\u65b9\u6cd5<\/p>\n<\/p>\n
\/\/ \u70b9\u51fb\u7ea2\u6846\u5f00\u59cb\u79fb\u52a8\n canvasMove:function(e){\n  var that = this;\n  var canvasW = that.data.canvasW;\n  var canvasH = that.data.canvasH;\n  var nowCutW = that.data.cutType?canvasW:that.data.nowCutW;\n  var nowCutH = that.data.cutType?that.data.cutH:that.data.nowCutH\n  var touches = e.touches[0];  \n  var x = touches.x;\n  var y = touches.y-(Number(nowCutH)\/2);\n  that.data.cutType?x=0:x=x-(Number(nowCutW)\/2);\n  that.setData({\n   cutX:x,\n   cutY:y\n  })\n  const ctx = wx.createCanvasContext('cutImg');\n  ctx.setGlobalAlpha(0.4)\n  ctx.drawImage(that.data.img, 0, 0, canvasW, canvasH)\n  ctx.setFillStyle('red')\n  ctx.fillRect(x, y, nowCutW, nowCutH)\n  ctx.draw()\n },<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
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\u7b49\u5c4f\u88c1\u526a<\/p>\n<\/p>\n
\/\/\u7b49\u5c4f\u88c1\u526a\n etcType:function(){\n  var that = this;\n  var propor = 100;\n  var canvasW = that.data.canvasW;\n  var canvasH = that.data.canvasH;\n  var cutH = that.data.cutH;\n  var nowCutW = (Number(canvasW)*propor)\/100\n  var nowCutH = (Number(cutH)*propor)\/100\n  const ctx = wx.createCanvasContext('cutImg');\n  ctx.setGlobalAlpha(0.4)\n  ctx.drawImage(that.data.img, 0, 0, canvasW, canvasH)\n  ctx.setFillStyle('red')\n  ctx.fillRect(0, 0, nowCutW, nowCutH)\n  ctx.draw()\n  that.setData({\n   nowCutW:nowCutW,\n   nowCutH:nowCutH,\n   cutType:true\n  })\n },<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5c40\u57df\u88c1\u526a<\/p>\n<\/p>\n
areaType:function(){\n  var that = this;\n  var propor = that.data.propor;\n  var canvasW = that.data.canvasW;\n  var canvasH = that.data.canvasH;\n  var cutH = that.data.cutH;\n  var nowCutW = (Number(canvasW)*propor)\/100\n  var nowCutH = (Number(cutH)*propor)\/100\n  const ctx = wx.createCanvasContext('cutImg');\n  ctx.setGlobalAlpha(0.4)\n  ctx.drawImage(that.data.img, 0, 0, canvasW, canvasH)\n  ctx.setFillStyle('red')\n  ctx.fillRect(0,0, nowCutW, nowCutH)\n  ctx.draw()\n  that.setData({\n   nowCutW:nowCutW,\n   nowCutH:nowCutH,\n   cutType:false\n  })\n },<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5c40\u57df\u88c1\u526a\u4e0a\u65b9\u7684\u6ed1\u52a8\u9009\u62e9\u7ea2\u6846\u6839\u636e\u5bbd\u5ea6\u7b49\u6bd4\u4f8b\u7f29\u653e<\/p>\n<\/p>\n
areaChange:function(e){\n  var that = this;\n  var propor = e.detail.value;\n  var canvasW = that.data.canvasW;\n  var canvasH = that.data.canvasH;\n  var cutH = that.data.cutH;\n  var nowCutW = (Number(canvasW)*propor)\/100\n  var nowCutH = (Number(cutH)*propor)\/100\n  const ctx = wx.createCanvasContext('cutImg');\n  ctx.setGlobalAlpha(0.4)\n  ctx.drawImage(that.data.img, 0, 0, canvasW, canvasH)\n  ctx.setFillStyle('red')\n  ctx.fillRect(that.data.cutX||0, that.data.cutY||0,nowCutW, nowCutH)\n  ctx.draw()\n  that.setData({\n   nowCutW:nowCutW,\n   nowCutH:nowCutH,\n   propor:propor\n  })\n },<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u91cd\u65b0\u88c1\u526a\u56de\u5230\u521d\u59cb\u9009\u62e9\u56fe\u7247\u7684\u9875\u9762<\/p>\n<\/p>\n
\/\/ \u91cd\u65b0\u88c1\u526a\n againBtn:function(){\n  var that = this;\n  var data = that.data\n  this.setData({\n   prienFlag:true,\n   alreay:true\n  })\n  const ctx = wx.createCanvasContext('cutImg');\n  ctx.setGlobalAlpha(0.4)\n  ctx.drawImage(data.img, 0, 0, data.canvasW, data.canvasH)\n  ctx.setFillStyle('red')\n  ctx.fillRect(that.data.cutX||0, that.data.cutY||0, data.nowCutW||data.canvasW, data.nowCutH||data.cutH)\n  ctx.draw()\n },<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u73b0\u5728IOS\u8fd8\u6709\u4e2a\u5751\u5c31\u662f\u88c1\u526a\u4e0d\u4e86,\u5b98\u65b9\u6b63\u5728\u4fee\u590d\u4e0d\u77e5\u9053\u4ec0\u4e48\u65f6\u5019\u597d<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff0c\u66f4\u591a\u76f8\u5173\u5185\u5bb9\u8bf7\u5173\u6ce8PHP\u4e2d\u6587\u7f51\uff01<\/p>\n
\u76f8\u5173\u63a8\u8350\uff1a<\/p>\n<\/p>\n<\/p>\n
<\/span><\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5b9e\u73b0\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u56fe\u7247\u9009\u62e9\u533a\u57df\u88c1\u526a\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u56fe\u7247\u9009\u62e9\u533a\u57df\u5c4f\u88c1\u526a\u5b9e\u73b0\u65b9\u6cd5\uff0c\u5185\u5bb9\u633a\u4e0d\u9519\u7684\uff0c\u73b0\u5728\u5206\u4eab\u7ed9\u5927\u5bb6\uff0c\u4e5f\u7ed9\u5927\u5bb6\u505a\u4e2a\u53c2\u8003\u3002 \u672c\u6587\u4ecb\u7ecd\u4e86\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u56fe\u7247\u9009\u62e9\u533a\u57df\u5c4f\u88c1\u526a\u5b9e\u73b0\u65b9\u6cd5\uff0c\u5206\u4eab\u7ed9\u5927\u5bb6\u3002\u5177\u4f53\u5982\u4e0b\uff1a \u6548\u679c\u56fe HTML\u4ee3\u7801 <view>  <view>  <view>\u5f00\u59cb\u88c1\u526a<\/view>  <view>\u70b9\u51fb\u4e0a\u4f20\u56fe\u7247<\/view>  <view>\u70b9\u51fb\u786e\u8ba4<\/view>  <\/view>  <!– \u9009\u62e9\u88c1\u526a\u6a21\u5f0f –>  <view>  <view>   \u7b49\u5c4f\u88c1\u526a  <\/view>  <view>   \u533a\u57df\u88c1\u526a  <\/view>  <\/view>  <view>  <slider><\/slider>  <\/view>  <view>  <view>   <image><\/image>  <\/view>  <view>\u91cd\u65b0\u88c1\u526a<\/view>  <\/view>  <view>  <canvas><\/canvas>  <view><\/view>  <\/view>     <\/view> \u767b\u5f55\u540e\u590d\u5236 CSS\u4ee3\u7801 .imgCut_header{  padding: 30rpx;  display: flex;  justify-content: space-between;  align-items: center;  background: #000;  color: #fff;  font-size: 24rpx; } .allCavans{  margin: 20rpx auto;  position: relative; } .canvasSty{  position: absolute; } […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-31622","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31622","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=31622"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/31622\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=31622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=31622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=31622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}